. >> reporter: he first got the idea as a in the hall from mark zuk erberg, and yes, that m, an facebook still in the infancy to find other students likely to join a protest aimed at ending harvard's investments in two chinese oil companies operating in sudan during genocide there. in april of 2005, harvard divested. >> s figuring out who was best connected, who was likely aligned with me, and then seeing them to get behind the campaign. >> reporter: in 2007, mahan went to work for a company called causes, a facebook app that helped people to connect with thnonprofits. that is where he met linda, and at causes they saw 186 million people raise $48 million for various organizations. they were sold on the power of the did to compare the impact that you could have through technology in a matter of months or years, that is what sort of changed my perspective. was moving away from the third-party apps, and o of it, mahan and wyndham were intent to make more investments. betting they could be bh useful and profitable. how? paul reichoff runs the american afghanistan veterans of america. he par