Here is Yahoo's
The Yahoo! Openness Strategy Team is building the next generation of open platforms and integrating them into every part of Yahoo!. From platforms that add a social element to every aspect of Yahoo!, to an applications platform and developer-focused offerings, the YOS team is tasked with transforming the way Yahoo! works. In building out all the components of YOS, the team is focused on implementing distributed systems that are highly scalable and performant so they can reliably serve hundreds of millions of Yahoo! users and developers every day. Via YahooUK government goes to Tim Berners Lee to help them in their initiative to open up the government data.