Dan Bricklin: From Visicalc to wikicalc

In this Super Techies interview, software inventor Dan Bricklin shares with CNET News.com's Dan Farber his thoughts on software innovation past and present. Bricklin discusses how he dreamed up the first electronic spreadsheet, VisiCalc; developing handwriting applications for the tablet PC; and his current role as the inventor of wikicalc, a collaborative spreadsheet program that merges financial formulas with wikis.