[spitfire]

"automated scoring" and "social network activity".

That sounds like a fantastic way to find scads of mediocre developers. Development isn't about language, it's about comprehension.

[mbailey]

We are making assessments of code made public, and combining it with how active people are in places like stackexchange. You can argue that code evaluated from github is not necessarily indicative of a good developer, but it's a good place to start rather than shotgun LinkedIn spam from recruiters.