"(..) rather than continuing to chase the bandwagon of apps and services that promise to keep you appraised of your friends’ real-time movements, such as the aforementioned Foursquare or Swarm or other real-time location mapping/pinging services, FacesIn can now parse public data and social postings to alert you when someone you are interested in is going to be at a public event in your vicinity soon — such as speaking at a conference. The idea being to give users the chance to cross paths with people they want to network with."