Your programming team would design it first before language choices. It's like picking the best car and then finding out you're in a boat race.
Which backend server language to choose to build a social mobile app for the requirements mentioned as below - Python, Ruby on Rails, PHP or Java?
The application would be launched first as Mobile app. The app is Social - photo &video sharing, messaging, comments, likes etc. Ads accommodated with more customer data analytics with more DB queries. web presence later on implemented (mobile app first). Programming language should be easy for debugging and scaling. Finally, less number of virtual server occupancy in cloud (Intention is cloud cost to be minimal overall during scale)

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic