Wallop belly-flopsFormer Keen and Cloudmark CEO Karl Jacob set high expectations for Wallop, a social networking site that hoped to sell widgets to users rather than showing them ads. Valleywag liked Wallop because it let you physically drag losers out of your social circle. But Wallop never made it out of beta. The site now says it will terminate service on Thursday. TechCrunch reports that their email to the company's press contact bounced — that's all, folks!