Ask HN: What factors determine compensation in companies like Facebook?

And continually invest some of your time in 1> keeping current (meaning right at the leading edge) of your specialization as well as something else that's emerging, and may replace your specialization, that also interests you and 2> getting the word out. In a specialized domain this doesn't mean you need to have some intense twittersphere / githubsphere presence as the "networking" maketroids claim, it just means that fellow experts in your area should know who you are (not necessarily in person) and respect you.