We recently completed a Hackathon in India where the themes were: 
* localization
* mobile 
* offline

In summary, over one weekend more than 50 volunteers from many parts of India added their hard work and insights to the technical foundation of Wikipedia. In the mobile area alone, volunteers contributed to 17 features, as listed here (features that were worked on are marked with an "H"):

http://meta.wikimedia.org/wiki/Mobile_Projects/features#India_Hackathon

We also got support and input from most of the major mobile operators in India about how to make our user experience better. Free access to Wikipedia is moving forward on a number of fronts, as we identified several forms of collaboration, not just in the form of Wikipedia Zero. For example, there seems to be widespread interest in using an RSS feed of the Article of the Day, and the top 5 languages in India are important.

This was our first hackathon in India and all in all, it was a resounding success.

For those of you who were at the event, many thanks and congratulations for your achievements in such a short period of time! We certainly hope you continue to stay involved and continue to contribute.

IRC is a good way for developers to stay in touch. Join wikimedia-mobile on irc.freenode.net.

Regards,
Phil

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Phil Inje Chang
Product Manager, Mobile
Wikimedia Foundation
415-812-0854 m
415-882-7982 x 6810