The obvious ones are already being discussed extensively online, including how Facebook will make use of even more data, how it will interactive with their facial recognition software, and the lowering of tolerances to sharing everything with a huge online data warehouse.
Densest GPU system architecture: NVIDIA GRID provides the highest number of concurrent, interactive data streams by using multi-GPU servers and sophisticated NVIDIA VGX GPU-sharing technology.
Highlight, a location-based people discovery app that made a splash at last year's SxSW Interactive in Austin, TX, just released a big 1.5 update that adds photo-sharing and event-creation to its set of features.