Panasonic calls it the "world's smallest and lightest digital interchangeable lens camera, " a fancy of way of saying it's not a traditional DSLR nor is it a regularpoint and shoot -- it's something in between.
Touchscreens are still something of a novelty on regular point-and-shoot cameras, but it looks like they may now already be starting to make their trek to DSLRs -- at least if a recently published patent application from Canon is any indication.