Set to launch in beta form on April 6, Armchair Revolutionary [1] is a web-based social activism platform designed to harness large-scale crowdsourcing and the boom in social gaming in a bid to support a wide variety of science and technology ventures that could benefit the world at large, CNET reports. The site aims to bring people’s interest in helping support worthwhile causes and the iTunes-era simplicity of spending 99 cents on something intriguing together with innovators who need funding to get potentially world-changing projects off the ground. Built around a series of eight social activism tasks—gifting, VoIP phone calling, eMailing, uploading, downloading, voting, forms, and quizzes—Armchair Revolutionary is seen by its creators as a one-stop shop for today’s web savvy and altruistic communities to make a big difference, one small step (and a dollar) at a time…