Here’s a little proof that Twitter is now not simply location aware, in terms of latitude and longitude or address, but is now place-aware. I checked in to both of these places on FourSquare and Twitter recognized these places by name:
Then, I decided to click on the Trader Joe’s, Falls Church link beside the little map marker, and lo! there was the following pop-up window, which is very much aware of not simply location anymore but they’re following the trend of Facebook Places and the other location-aware social networks by starting to connect to businesses:
