It's been a little over two months since I started working at Kiva. In that time I've polished a number of small elements around the site but nothing felt substantial enough to brag about. Yesterday, that changed with the launch of Kiva's invite challenge - a major portion of which was designed by yours truly. The promotion allows Kiva users to invite friends to make a free $25 loan on the site. Response to the free trials have been huge - with over 8,000 invites handed out in under 30 hours (demand was so great that Kiva doubled the initial allocation of 4,000 trials).