Like everybody I get a lot of spam emails, and having been away from the computer for a while, I seem to have a real glut of them at the moment. There are a bunch of rather repetitive ones that I cannot understand. I'm pretty sure we've all received a message offering the proof reading service.

I also seem to be on a few spam lists trying to sell me professional services or whitepapers. Unlike many, these spam emails come with an unsubscribe link, but the process seems a bit archaic. Without exception, every single one suggests a time of at least 5 days before I get of the list. That even applies to some professional mailing lists that I actually did subscribe too.