Dad's Rants Become a Twitter Hit

Until last week, Justin Halpern’s 73-year-old father didn’t know that he was a Twitter sensation. His dad’s quips have resulted in more than 231,000 followers under the account name @s–mydadsays. But after it attracted wide attention in recent weeks as followers retweeted postings, and blogs and mainstream media covered it, Mr. Halpern finally broke the news.

Guy Kawasaki Can Handle Being Called a Spammer

To kick off his keynote speech at SES, a marketing conference in New York, Guy Kawasaki asked how many people in the audience were on Twitter at that moment. Hands shot up across the packed ballroom. “Yeah, that’s what I was afraid of,” he said.