How to prove the value of an enterprise social network like Yammer to senior executives who love numbers? Download the presentation here http://businessgoessocial.net/aia Here’s one example: measure the time spent answering internal questions before and after Yammer and calculate the monetary value of time saved. The example story is from AIA Insurance and and it’s an illustrated PowerPoint presentation to make it a bit more interesting to present and share. AIA is one of the leading insurance firms in Asia. The story is based on an interview with AIA community managers Bob Crozier.