Anomalous Steam Chart Activity : 320% Increase in Concurrent Users in 40 Minute Span (Comparable to December Patch Before/After Increase but with No Patch...?) Is there some event going on?

It looks like we're being targeted by someone who is sending some pretty obvious bots (poor English, copy/paste reviews) to spam our store page. My team is all asleep at this time, but I've reported what's going on and I expect they'll look into it in the a.m.