One of the great things about Twitter is that it’s actually pretty easy to control and inhibit spam. SEO people have grabbed hold of Twitter because they see the value in fast moving, viral information, but stopping spam on Twitter is as simple as blocking or reporting someone. Yet still, the bots persist. If you’ve never had a bot retweet something of yours on Twitter, you’re probably not tweeting enough. But here’s something original – a retweet bot that is aware of it’s own futility. At the BMW Mini plant in Oxford, UK, a robot connected to Twitter is manually retweeting messages sent to it by writing…