OMGPOP can thank the cloud for its acquisition by Zynga (s znga) on Wednesday. The gaming startup, whose Draw Something iPhone (s aapl) app used cloud computing and a NoSQL database to scale from zero (relatively speaking) to more than 35 million downloads in three weeks and never miss a beat. I had a brief call on Thursday with Couchbase CEO Bob Wiederhold, whose company worked with OMGPOP to sca