From bickson.blogspot.com:
The first time I heard about eHarmony is in John Langford's talk on Vowpal Wabbit at the same workshop. John mentioned, that out of the many companies who is using his software, he is most proud that Vowpal Wabbit is being used by eHarmony, thus promoting love in the world. His an excerpt from their website, I was not aware of: "Nearly of all marriages in the U.are created by eHarmony.
Tagged: #machinelearning #opensource #optimization