Isha Vidhya - Definitely making a difference in Tamil Nadu (southern state in India) running 8 schools in rural areas with full scholarship for the children requiring it, primarily through donations. They're also now getting into adopting Govt. schools where the quality of education is very questionable - Government School adoption program

Disclaimer: I do some web support for this non-profit (I know the site is bad, we're on a plan to overhaul it). But I can personally vouch for the guys running it.

PowerShell (aka Monad) for Vista was released on Jan 30, 2007. http://en.wikipedia.org/wiki/Windows_PowerShell/