I have a couple of various ideas on how Gmail could be improved. I took a small step in that direction with a Chrome plugin I wrote: http://bit.ly/ahtrh4
This of course is just the beginning, you can imagine using LinkedIn, Twitter, and Facebook APIs and bringing that content into your email in a meaningful way. These can naturally be integrated with a Rapleaf. If this extension gains any traction then I’ll write one for Firefox and expand the pool of networks. One of the great things about the extension is that it’s serverless. This is important since it means no cost to me and no worrying about scalability. Plus it was a great way to learn the intricacies of Facebook Graph API.