The launch of Modern Warfare 2 has catapulted Xbox Live activity, setting a new record for the number of concurrent users logged in. According to a Twitter tweet from Xbox community manager Major Nelson, over two million users were active on the service at once this week.

While the exact impact MW2 had on that figure is unknown, it’s safe to say it had a substantial effect. We’re just glad the servers didn’t end up buckling under all this load. It’s clear that the investments Microsoft has put into Live have paid off.

Follow this author on Twitter.