The trend for that graph appears to hint at one wave abstracting and building on top of the previous wave (especially in the later stages). So I guess the next

The trend for that graph appears to hint at one wave abstracting and building on top of the previous wave (especially in the later stages). So I guess the next wave has something to do with the abstraction of social media and using it to build new technologies and services? If that were to be true then Facebook, Google Plus, Twitter etc. are all destined to become social media service providers - that is, high level utilities.