Nick asks the TradeMark team: What were the most memorable moments of this year’s SXSW Interactive conference?

The name reminds me of koala, but without the fuzzy ears and a love for eucalyptus. Gowalla is a mobile web application that allows its users to check into places they’ve been. You can find friends, comment on events, search for prizes, go on trips, and meet mysterious gorillas. Gowalla works on many popular smart phone platforms such as iPhone, Android, Blackberry, and Palm.

Ready for your personal Extreme Makeover Home Edition? Google SketchUp might be just what you need. This 3D modeling program has been around under the Google brand since 2006. Download the “non-pro” version and jump right into designing your next flower planter, log cabin, or your favorite firefighter. It’s all possible as the extensive 3D Warehouse reveals. The Pro version comes with a heavy price tag of $495, but does enable useful features, including a larger variety of file formats when importing and exporting. Plenty of video tutorials are available, but don’t be fooled, Google makes using SketchUp look very easy.