Twitter bots. Imagine a bot whose only job is to squat a hashtag and intermittently harass people who mention it. Now stop imagining, because we've already go

Twitter bots. Imagine a bot whose only job is to squat a hashtag and intermittently harass people who mention it. Now stop imagining, because we've already got those. Imagine another bot that just looks for bug trackers and spams incomprehensible combinations of issues generated by mining previous issues. It can be hard, on a good day, to tell difference between frustrated and inarticulate user, and markov-chain spam. Let your imagination run wild.