You could also setup chatrooms or forums around technologies: https://github.com/chrismatthieu/CHATS.iO https://github.com/chrismatthieu/CHATS.iO Other ideas:

You could also setup chatrooms or forums around technologies: https://github.com/chrismatthieu/CHATS.iO https://github.com/chrismatthieu/CHATS.iO Other ideas: - measure who has implemented what technology and when - work out various combinations of technologies - work out who would have the most expertise in an area - try and create a hacker score for users: (function of: time started, site traffic, simultaneous technologies, ??)