##Back-end

App: "QuickShot" --- A video-based social application

Function:

1. User can add friends, create "shot" : video with title and description.
2. User can like "shot", look up friends' "news", comment on "shot".
3. User can search nearby "shot", search "shot" according to some text input.
4. User can be recommended some "shots" according to their preferrence recently.

Technology:

1. Cloud Computing Service EC2 provided by AWS
2. S3, distributed storage service by AWS
3. Memcache
4. Elastic Search for search function
5. Mongodb for storage
6. Word2Vec for text mining of the "shot".