Craig Newmark looks like the kind of guy who would help you move your apartment, sell your furniture, get a job, or help you find that cute girl you saw on the subway.
Jessica Jackley has a gift for making people want to fork over their cash. To total strangers. Far, far away.
I find the term 'workaholic' to be distasteful because it reminds me of the harried-looking lawyers I recall chained to their desks through nights and weekends during my lawyer days years ago.
Groupon is a great concept packaged in a superb name, but the concept of group discounts is not new.
Twitter is all about user experience - the fact that it is so easy, so clean, so unencumbered has won it so many users and fans, for so many different reasons.
When I go a stretch without tweeting, I will occasionally get an email from my mom, checking in. I always find this amusing but also gratifying: Thanks to Twitter, I can keep in touch with my parents and let them in on what I'm doing in a way that even the regular phone calls of a doting daughter can't do.