If you're bored of your old name on Beam, you can change it. Sometimes.
You're not just able to go in and change your mind every week, but once in every 30-day period, Beam lets you change your username. Even this is fantastic since some other services, looking at you Twitch, don't allow changes at all without creating a new account.
This may well become redundant when future changes involving Xbox Live come into effect with gamertags and what not, but at least for now, here's how you go about changing your handle.
Full story from the WindowsCentral blog...