Here's that search-interest graph he inexplicably screencaps in the article, rather than also linking to it: http://www.google.com/insights/search/#cat=0-5&q=c

Here's that search-interest graph he inexplicably screencaps in the article, rather than also linking to it: http://www.google.com/insights/search/#cat=0-5&q=cassandra%2Cmongodb%2Credis%2Ccouchdb%2Criak&date=1%2F2009%2035m&cmpt=q http://www.google.com/insights/search/#cat=0-5&q=cassand... I added Cassandra, as it's substantially more popular than Riak (whereas HBase is not, and you only get 5 slots).