Recently, through the power of suggestion via a podcast I was listening to, I developed a hankering for Jelly Beans. So I tweeted:
Within a half an hour I was being followed by Oh! Nuts, evidently a snack company (I haven't given them the satisfaction of actually trying to find out) who probably scouted out the key words "Jelly Bean" on a service like monitter. Later in the day I received the following @reply:
I haven't followed any of their links, but judging by their many @ replies, it appears that someone has a full time job of scouting certain terms on twitter, and turning their tweet into a direct marketing opportunity. I guess we're gonna have to start blocking until the folks at Twitter figure out how to make money off this scheme.