Apparently facebook uses this restrictive license on other so-called open source projects as well (FBMemoryProfiler, etc).
Presumably if you added a unique feature it might not "consist solely of the Software". But that clause isn't the troublesome one -- "modify the Software for your own internal use" makes it crystal clear that this is absolutely not Open Source.
Presumably if you added a unique feature it might not "consist solely of the Software". But that clause isn't the troublesome one -- "modify the Software for your own internal use" makes it crystal clear that this is absolutely not Open Source.