Don't worry, these sorts of companies are just lucky blips. For the most part if you set out to build a new company and you cannot predict where it's revenues w

Don't worry, these sorts of companies are just lucky blips. For the most part if you set out to build a new company and you cannot predict where it's revenues will come from the odds are against you. Keep focused on building a business. It may take longer but you will learn lots more along the way and your chances of success will be greater if you have a revenue model already baked. There must be something Foursquare are not sharing with us, along with other commenters on this thread I don't know of a single user of their product since 2011. Edit - typo