 The International Charter on Space and Major Disasters was activated , allowing satellite imagery of affected regions to be shared with rescue and aid organizations . Members of social networking sites such as Twitter and Facebook spread messages and pleas to send help . Facebook was overwhelmed by — and blocked — some users who were sending messages about updates . The American Red Cross set a record for mobile donations , raising US $ 7 million in 24 hours when they allowed people to send US $ 10 donations by text messages . The <unk> community responded to the disaster by greatly improving the level of mapping available for the area using post @-@ earthquake satellite photography provided by <unk> , and tracking website <unk> coordinated messages from multiple sites to assist Haitians still trapped and to keep families of survivors informed . Some online poker sites hosted poker tournaments with tournament fees , prizes or both going to disaster relief charities . Google Earth updated its coverage of Port @-@ au @-@ Prince on 17 January , showing the earthquake @-@ ravaged city . 
