The sign of a successful online service is when spammers get on board. We’ve seen this most prominently in recent times with Twitter, where spam is now part of everyday life. Could Foursquare be next to succumb to an avalanche of spam?
Foursquare spam is still a minor problem but it’s definitely something to keep an eye on. As a service with a fast-growing but relatively small userbase, true spam on Foursquare is difficult to find. However, it is there if you look hard enough.
One person’s innovative marketing strategy is another person’s spam