Obama has worn Browne's designs for other occasions, including a gray dress with black lace overlay to one of the presidential debates last fall, and she honored him last summer at the Smithsonian's Cooper-Hewitt National Design Awards for his contribution to fashion.
For example, if you are at a shoe store, you can snap a pic of a row of black heels and it will overlay your photo with the info and reviews on each shoe so you can make a decision.