Foursquare Day Sets Record With 3M+ Checkins, Flickr To Crowdsource Footage of Royal Wedding,  How can social networks make money? and Why Is Apple Tracking You and iPhone?

Topics Talked about Today:

• Foursquare Day Sets Record With 3M+ Checkins
• Flickr To Crowdsource Footage of Royal Wedding
• How can social networks make money?
• Why Is Apple Tracking You and iPhone?