2. adj : Any entity, company or individual who makes a useful product which can only be used if you buy other, more expensive, products.
3 To Do A Microsoft - to sell a product, claiming that it is good value for money when, in actual fact by the time you buy the addons, it is more expensive than better versions that don't need the add-ons.
User: I have been infected with a virus and have lost over £1,000 worth of work from my computer.
Microsoft: That's because you didn't buy a firewall, virus scanner, anti-spam and port blocker.
User: But the Microsoft box said the your product was safe.
Microsoft: Yes, but you didn't use it properly. When we ship the product it is set so that viruses can attack you - you should have spent a week securing it before using it. It wasn't our fault, it was your fault, so tough shit!
3. iTunes music has protection which means that it can only be used on iTunes software and ipods, retricting you enjoyment of the music to their products - they have Done a Microsoft!