Read the article: http://bricklin.com/html5gap.htm
More background information on Dan:
The co-founder of Software Arts, Dan Bricklin, along with Bob Frankston, developed VisiCalc, the pioneering spreadsheet program that helped launch the personal computing industry. His most recent product is Note Taker HD, a popular iPad note-taking app. Dan also developed the SocialCalc spreadsheet program for Socialtext and the One Laptop Per Child's XO computer, and is known for his award-winning Dan Bricklin’s Demo Program for the IBM PC released in the 1980s. Bricklin’s industry honors include induction as a Fellow of both the Association of Computing Machinery and the Computer History Museum, and receiving the IEEE Computer Society Computer Entrepreneur Award for pioneering the development and commercialization of the spreadsheet. He is a founding trustee of the Massachusetts Technology Leadership Council.