Using Foursquare for Environmental Causes | Earthjustice - 0 views
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Realizing that the San Francisco Bay Area boasts the largest number of Foursquare users in the nation, Earthjustice approached one of its younger major donors in the Bay Area with the proposal of donating $10 each time a commuter checks in at an Earthjustice poster on BART.
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You need to engage with them on their turf, whether it’s Foursquare, Twitter or Facebook.”