Bing, Windows Phone and PayPal are donating $0.75 for each person checking in in Austin, Texas and 50 km surrounding it. If you tweet #sxswHaiti there is an additional $0.25 available, to be donated to charity Save the Children.
The charity campaign is a joint venture between StudioGood, Microsoft (Bing and Windows Phone) and PayPal.
So far, according to checkinforcharity.com. So far, after 42,900 check-ins, more than $11,000 has been raised.
Read more at CheckinforCharity.com here.