Awkward expression on Foursquare CEO Dennis Crowley‘s face when Le Web 10 host Loic Le Meur asked him exactly how sizeable the acquisition offer that they turned down was.

Le Meur guessed around $140 million (whether that offer came from Facebook, Yahoo or another company wasn’t really mentioned, but they are the likely bidders and the topic of the on-stage

Foursquare CEO Dennis Crowley, who ironically got lost on his way to Le Web, just broke some stats about the company on stage at Le Web. Crowley said that the company is just about to hit 40 employees whereas a year ago it was just four people.

Foursquare hit over 5 million users last week and is at 2 million check-ins and 25K new users a day Crowley confirmed onstage. Users are split up geographically between 60% US 40% international and the average Foursquare user