さて、ご覧になった方も多いと思いますが4スクエアーがチェックインの様子の映像を載せています。

http://read.bi/oBKvP4

Foursquare just announced a new milestone on its blog: 1 billion check-ins.
The milestone comes just three months after the social location app hit 10 million users.
It posted a video to show where all the checkins have happened in the world over the past week.
Europe, the United States and Japan seemed to have the strongest Foursquare users. South America had a good run in there too.
Read more: http://www.businessinsider.com/foursquare-passes-1000000000-checkins-2011-9?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+typepad%2Falleyinsider%2Fsilicon_alley_insider+%28Silicon+Alley+Insider%29#ixzz1Yd8Yf5vu