Brightkite is tricky. Tricky and smart

Last night, we wrote about a CauseWorld teaming up with TechCrunch to provide double karma points during the SXSW festival starting today in Austin, Texas. These points, obtained through checking-in at various locations, can be used to donate to charities through big brands that support the app

We’ve written about FunMobility’s nifty picture messaging app for the iPhone and Android , called FunMail, that allows users to blasts their text into the application, which then breaks down whatever the user typed for context and places fun graphics with your original text. Now, FunMobility has caught the Twitter bug and is launching FunTweet, a web service which turns any Twitter stream into visual messages that are related to the text.

Sonos has now confirmed the Index Ventures investment we reported two days ago. The company has taken an additional $25 million in capital from Index, raising the total raised by the company to $65 million

A few days ago, we spotted Twitter’s initial roll out of a geolocation feature on its Website. It appeared that Twitter was testing the feature because it quickly turned it off

We’ve talked a lot this week about the so-called “ Location War ” brewing at the SXSW festival in Austin, Texas starting tomorrow.