This data visualization from Kiva's 2011 Annual Report is worth taking a look at for the way that it takes a significant amount of data and designs the presentation so you can quickly see the patterns.
Even if the music isn't your thing, the idea that a platform was developed to facilitate the exchange of resources between people - money from lenders, updates, stories and a sense of purpose from borrowers (small business partners, really) - is valuable and worth contemplating further for all aspects of organizational strategy. I don't see these structures as nice extras, they are the heart of a new way of cooperating though they have yet to find their way into the psyche of most organizations.
