I did use Foursquare once. The blood bank made me check in on Foursquare to get ... | Hacker News

Hacker News new | past | comments | ask | show | jobs | submit

login

auctiontheory on April 12, 2013 | parent | context | favorite | on: Foursquare raises $41 million Series D round

I did use Foursquare once. The blood bank made me check in on Foursquare to get a t-shirt. (Nice shirt, with a captcha-based pun - I still wear it.)

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact