Do you use spreadsheets? If so, and it's likely your answer is yes, you have Bob Frankston and Dan Bricklin to thank for it (or to curse, if spreadsheets are the bane of your existence... but aren't they incredible, anyway?).
Since VisiCalc, Bob has done many things, including a stint at Microsoft trying to wean them off odd standards in favor of open ones, plus trying to get them into home networking.
He is also an evangelist and visionary for the future of telecom, with many essays published here and here.