We are living in amazing times where we can do things we could have just dreamt of 5-10 years back. I came across the following video:
This gives hope to the third world where a lot of our old non-smartphones are ending up. In fact this reminds me of Mexapixel Microscopy that can possibly have numerous applications.
There was an interesting presentation recently in the Future of Wireless Conference that was very well received and had people discussing it on twitter and in the event. Its embedded below (download from slideshare)