290 Owen Thomas 09/18/07 06:36PM Filed to: techcrunch40 techcrunch40 Evan Williams techcrunch20 twitter Valleywag The TechCrunch40 attendee who's been brutally parodying the conference on Twitter as "Techcrunch40" says that the service — whose founder, Evan Williams, is a TechCrunch40 panelist — abruptly changed his username to "NotTechcrunch40." [Twitter]
