As expediter, the typewriter brought writing and speech 
and publication into close association. Although a merely 
mechanical form, it acted in some respects as an implosion, 
rather than an explosion.

     In its explosive character, confirming the existing 
procedures of moveable types, the typewriter had an immediate 
effect in regulating spelling and grammar. The pressure of 
Gutenberg technology toward “correct” or uniform spelling and 
grammar was felt at once. Typewriters caused an enormous 
expansion in the sale of dictionaries. They also created the 
innumerable overstuffed files that led to the rise of the file-
cleaning companies in our time. At first, however, the 
typewriter was not seen as indispensable to business. The 
personal touch of the hand-penned letter was considered so 
important that the typewriter was ruled out of commercial use