320 Pages On Twitter For 140 Characters

Shel Israel looks nothing like the type of person you might think is on Twitter.

The 65-year-old spent years in the public relations profession in San Francisco getting journalists and the like hyped about tech products. When you're on that side of the communications fence the individuals trying to promote brands are never the star - the product is. The Internet and the advent of social media have changed that. It has changed Israel, too. He now considers himself a writer, speaker and...