When Facebook launched the Places application yesterday, many thought it spelled the doom of location based social network Foursquare. The name dropping and media coverage, however, may have had a positive effect on the site.

“Just heard from The @HarryH that today was @foursquare’s biggest day ever in terms of new user signups,” tweeted Facebook co-founder Dennis Crowley.

While Foursquare is apparently close to having three million users, one has to wonder what their long term prospects will be in the face of 500 million Facebook users having similar features.

Source: PCMag.com