Worried that his subject had just a little too much complexity, Sybase Inc UK managing director John Steven, decided to put everyone at a recent announcement at ease by saying if there’s anything that you don’t understand, please go ahead and interrupt and ask me – then, almost as an afterthought, with the kind of worried expression that only experience with journalists can bring, added, and if there’s anything you think I don’t understand, I’ll thank you to keep quiet.