Back in my day, if you wanted to know what the hot new Australian start-up trend would be, you’d have to fly to SXSW Interactive, the annual festival of all things social, internet and technology, in Texas. One year you might see Gowalla and Foursquare battling it out to be crowned king of location-based check-in apps – and about nine months later, a bunch of Australian location-based check-in apps were born. (read more)