Follow the money
This list of recent funding deals surrounding games is fascinating precisely becaue of what it shows about where the money is going. Doing the tallies:, what I see is a few mobile content development companies, a lot of mobile content aggregators, several content development studios and companies from outside the game industry making games, and a heck of a lot of game ad companies.
Looks like Double Fusion got enough investments to fund a large scale mmorpg.
Online, all you have to do is “follow the money”