Microsoft will donate up to 500 searches per person per month. There are over 1 million organizations participating in the program and the organizations can track donations. There are over 100,000 schools and 900,000 non-profit organizations worldwide in this program. Those who participate in Microsoft’s Live Search Club can convert the tickets they’ve earned playing games into contributions.
For more information on this program, see the FAQs.
Note, this announcement comes about a week after Microsoft announced the Cashback search incentive for searchers.