Here's a tip for Foursquare badge collectors... Let's say if you're going to attend the Sony Ericsson WTA tennis tournament in Kuala Lumpur this week, remember to check in to "Sony Ericsson Tennis Hotspot" to unlock the XPERIA Tennis Fan badge.
There are different hotspots for different venues around the world.
To find out tips posted by fans, simply follow Sony Ericsson WTA on Foursquare.
