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<div class="center_top">Thoughtful, detailed coverage of the Mac, iPhone, and iPad, plus the best-selling <a href="http://www.takecontrolbooks.com/?pt=TB-TAGLINE" style="color:yellow">Take Control</a> ebooks.</div>
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<h5>Author Biography</h5>
<p class="tearoffbox_text">Glenn Fleishman is a TidBITS contributing editor and a Seattle journalist who covers technology for publications like Popular Science, The Seattle Times, and The Economist. He blogs daily about Wi-Fi and other wireless networking at <a href="http://wifinetnews.com/">Wi-Fi Networking News</a>. Glenn is a frequent contributor to <a href="http://arstechnica.com/">Ars Technica</a>. For TidBITS, Glenn builds and runs much of the technology infrastructure. Glenn lives in Seattle with his wife Lynn, sons Ben and Rex, two iPhones, and a dozen Macs of various vintages. </p><p class="tearoffbox_text_email"><span class="shift_down"><img src="/images/gettb_button_email.gif" height="12" width="12" border="0" alt="Send Email to Author"></span> <a href="javascript:void(0)" onClick="document.check_human_50.submit_type.value='email'; document.check_human_50.author_id.value='50'; ShowTipBox('hc_50', 'hc_recaptcha_50', 'cb_item_add')">Email the author</a></p>
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<h6>View Extra Audio Details in Snow Leopard</h6>
<p><p>In Snow Leopard, Option-clicking the Volume icon in the menu bar displays a list of sound input and output devices. Choose one to switch to it; it's much easier than using the Sound preference pane. Also, hold Shift and click the icon to set the system volume, which is separate from the general output volume.</p></p>
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<div style="padding-bottom:35px"><div class="tip_display" style="float:left"><p><br><a href="/tipbits/200">Link to this tip</a></p></div><div class="tip_display" style="float:right; width:150px">
<div class="article_preview" id="blurb_4456" style="display:none"><div id="popup_inner_4456">Oooo, Canada! I confess myself a Canadophile, especially after flying Air Canada recently, and Canada is on the forefront of the unsolicited commercial email (UCE) or "spam" issue as Janet Osborne pointed out in email</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 06 Nov 1997</div></div>
<a href="/article/4457"onMouseOver="blurb_slide('4457', 'show')">AOL 4.0 Spawn of Satan?</a></h4>
<div class="article_preview" id="blurb_4457" style="display:none"><div id="popup_inner_4457">AOL 4.0 Spawn of Satan? Folks, never believe anything you read on the Internet, particularly in heavily forwarded email, unless you can verify it personally</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 06 Nov 1997</div></div>
<a href="/article/4458"onMouseOver="blurb_slide('4458', 'show')">A Closer View of Web Graphics</a></h4>
<div class="article_preview" id="blurb_4458" style="display:none"><div id="popup_inner_4458">Graphics are an integral part of the Web, but the art and science of using them effectively can be confusing for novices and professionals alike. Whether you're a designer, work on a Web development team, or just want to know why the images on your screen look lousy on one site and great on another, this article will help you choose and use the main graphics formats on the Web today: GIF, JPEG, and a new contender, PNG</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 06 Nov 1997</div></div>
<div class="article_preview" id="blurb_4462" style="display:none"><div id="popup_inner_4462">NetBITS Complexity -- We've received a few notes that NetBITS was starting to cause some readers to swoon from technical complexity. Our goal is to explain and offer practical information on topics that are normally brushed over or described incorrectly, and sometimes that requires technical background</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 30 Oct 1997</div></div>
<a href="/article/4463"onMouseOver="blurb_slide('4463', 'show')">Told Your Friends Yet?</a></h4>
<div class="article_preview" id="blurb_4463" style="display:none"><div id="popup_inner_4463">Told Your Friends Yet? For NetBITS to survive and prosper, we need to reach more people, and the best method of achieving that for a tiny organization like ours is by word of mouth</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 30 Oct 1997</div></div>
<div class="article_preview" id="blurb_4464" style="display:none"><div id="popup_inner_4464">AOL Revises Spam Controls -- According to a story on News.com, America Online has changed how users can control what email they receive. Prior to this, AOL's PreferredMail option allowed AOL subscribers to opt in or out of banning mail from a large list of domains and addresses that AOL constantly modified</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 30 Oct 1997</div></div>
<a href="/article/4465"onMouseOver="blurb_slide('4465', 'show')">8-bit or QP?</a></h4>
<div class="article_preview" id="blurb_4465" style="display:none"><div id="popup_inner_4465">8-bit or QP? -- David Knudsen read last week's article in NetBITS-005 on MIME encoding and Quoted-Printable text, and noted that his Netscape mail client offers settings for both "Allow 8-bit" and "MIME Compliant (Quoted Printable)"</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 30 Oct 1997</div></div>
<a href="/article/4467"onMouseOver="blurb_slide('4467', 'show')">Question: Are addresses checked when sending mail?</a></h4>
<div class="article_preview" id="blurb_4467" style="display:none"><div id="popup_inner_4467">Question: Are addresses checked when sending mail? Kurt M. Scudder writes from Denmark wondering if mail programs - Eudora specifically - contact the recipient's computer when sending outgoing mail</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 30 Oct 1997</div></div>
<a href="/article/4471"onMouseOver="blurb_slide('4471', 'show')">Netcom and Spam</a></h4>
<div class="article_preview" id="blurb_4471" style="display:none"><div id="popup_inner_4471">Netcom and Spam -- Apparently, when we reported on Netcom's spam policies last week in NetBITS-004, we were more informed than Netcom's senior management</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 23 Oct 1997</div></div>
<a href="/article/4475"onMouseOver="blurb_slide('4475', 'show')">Question: What does a local dial-up number do?</a></h4>
<div class="article_preview" id="blurb_4475" style="display:none"><div id="popup_inner_4475">Question: What does a local dial-up number do? Richard Wanderman writes about accessing Boston-based TIAC (The Internet Access Company) through a local dial-up phone number in Torrington, Connecticut</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 23 Oct 1997</div></div>
<a href="/article/4480"onMouseOver="blurb_slide('4480', 'show')">Left the Cake out in the Rain</a></h4>
<div class="article_preview" id="blurb_4480" style="display:none"><div id="popup_inner_4480">Left the Cake out in the Rain -- After using the metaphor of a seven-layer cake to describe TCP in FAQtoids 003, I had my face pushed into the creamy filling by several readers</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 16 Oct 1997</div></div>
<a href="/article/4481"onMouseOver="blurb_slide('4481', 'show')">Those Who Repeat the Past</a></h4>
<div class="article_preview" id="blurb_4481" style="display:none"><div id="popup_inner_4481">Those Who Repeat the Past -- We sent you back in time, instead of forward in FAQtoids 003. We said that the offset in mail headers from the zone formerly known as Greenwich Mean Time (GMT) is added to local time to get GMT or Universal Time (UT)</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 16 Oct 1997</div></div>
<a href="/article/4482"onMouseOver="blurb_slide('4482', 'show')">Stop Spam at Its Source</a></h4>
<div class="article_preview" id="blurb_4482" style="display:none"><div id="popup_inner_4482">Suppose you belong to a simple lakefront beach club, where you and some neighbors jointly contribute dues to maintain the beach and docks. Now suppose that, several times a day, a rapidly moving caravan of several thousand vehicles zoomed across the beach</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 16 Oct 1997</div></div>
<a href="/article/4484"onMouseOver="blurb_slide('4484', 'show')">Question: Which ISDN Hardware Combination Works Best?</a></h4>
<div class="article_preview" id="blurb_4484" style="display:none"><div id="popup_inner_4484">Question: Which ISDN Hardware Combination Works Best? I'm planning to upgrade my small office from using PPP via a modem to using ISDN connected to our small Ethernet network</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 16 Oct 1997</div></div>
<a href="/article/4487"onMouseOver="blurb_slide('4487', 'show')">Ethernet and Internet</a></h4>
<div class="article_preview" id="blurb_4487" style="display:none"><div id="popup_inner_4487">Ethernet and Internet -- Rob Russell of Auckland, New Zealand pointed out what seemed to be a contradiction in the second installment of the Hey, I'm Talking To You article (see NetBITS-002) about how machines find each other over an Ethernet network and over the Internet</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 09 Oct 1997</div></div>
<div class="article_preview" id="blurb_4489" style="display:none"><div id="popup_inner_4489">This week we cover time and space, two small concepts that will help you travel back to 1956, or around the world in 24 hours. Then we try to expand on what TCP really stands for (and have to flee the country).</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 09 Oct 1997</div></div>
<a href="/article/4490"onMouseOver="blurb_slide('4490', 'show')">Question: Where Do Time Zones Come From?</a></h4>
<div class="article_preview" id="blurb_4490" style="display:none"><div id="popup_inner_4490">Question: Where Do Time Zones Come From? In email headers after the time, I sometimes see a time zone indication like EDT or CET. I am looking for a complete list of these codes, but couldn't find it on the Web</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 09 Oct 1997</div></div>
<a href="/article/4492"onMouseOver="blurb_slide('4492', 'show')">Question: Terrifying Capitals or Pointless?</a></h4>
<div class="article_preview" id="blurb_4492" style="display:none"><div id="popup_inner_4492">Question: Terrifying Capitals or Pointless? Every introductory article on TCP/IP explains what IP stands for but not what TCP stands for. This trend is so consistent that I must assume it is intentional</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 09 Oct 1997</div></div>
<a href="/article/4493"onMouseOver="blurb_slide('4493', 'show')">Question: Big Brother Is Clicking Here?</a></h4>
<div class="article_preview" id="blurb_4493" style="display:none"><div id="popup_inner_4493">Question: Big Brother Is Clicking Here? Every so often I hear or read that Government / Big Business / The Trilateral Commission / AOL / Mom / (fill in the blank) is tracking everything I do on the Internet</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 09 Oct 1997</div></div>
<div class="article_preview" id="blurb_4497" style="display:none"><div id="popup_inner_4497">Thanks for the tremendous outpouring of support for our first issue of NetBITS. We inadvertently caused some confusion by leading with an article aimed at kids: NetBITS is not a publication specifically for the under-20 crowd</div><!-- blurb inner --></div><!-- blurb outer -->
<div class="featured_meta"><a href="/index.cgi?tbcat=" class="category"></a> | by <a href="/author/Glenn%20Fleishman">Glenn Fleishman</a> | 02 Oct 1997</div></div>
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