muffinlabs 2014-01-01 On the evening of December 24th, shortly after tweeting for the 500,000th time, @for_a_dollar retired from Twitter. After launching on 24 September 2009, the bot responded to all sorts of people who mentioned 'Robocop'. @mayordavebing I'd buy that for a dollar! — Bixby Snyder (@for_a_dollar) February 7, 2011 Although it is easy to treat @for_a_dollar as a tongue-in-cheek project, it was always intended as a specific statement about the nature of online conversation – mainly that quality discussion is lacking. As I wrote in response to some criticism of @for_a_dollar, " 99% of the content on Twitter is total garbage ." I was being pretty harsh, but there's also some truth to that statement, especially now that Twitter is marketing themselves as the premier online destination to participate in your favorite television and media events. There's still...