Update: Thanks for all the interest in the giveaway, but our supply of beta keys is finally exhausted. Microsoft Game Studios has provided us with beta keys for Age of Empires Online, the upcoming online installment in the strategy series. We probably have enough keys to cover everyone who is interested, but we'll offer them on a first-come, first served basis in case the demand outstrips the supply. If you want one, simply post a comment to this story expressing your interest, and we'll send a key to the email address associated with your account here. Update: It should be noted that this is being run through Games for Windows LIVE. Update: Thanks for all the interest in the giveaway, but our supply of beta keys is finally exhausted.