AUSTIN, Texas--Disco lights. Bubble machines. Big-name DJs. Ashton Kutcher.
Those are just a smattering of the things you would have seen on Monday night in downtown Austin, Texas, where two of the most talked-about parties of the South by Southwest Interactive Festival (SXSWi) were happening simultaneously. These would be, of course, the respective parties thrown by Foursquare and Gowalla, two start-ups offering very similar "geolocation" services. And at SXSWi, where everyone wants to know where everyone else is in instant real-time, this kind of social-networking app is going to be big.
Most people expected that SXSWi would see … Read more