Really, sign this petition:
If in doubt, just check out some of these European software patents;
- Webshop: Selling things over a network using a server, client and payment processor, or using a client and a server – EP803105, EP738446, EP1016014
- Order by cell phone: Selling over a mobile phone network – EP1090494
- Shopping cart: Electronic shopping cart – EP807891
- Adapt pages: Generate different web page depending on detected device – EP1320972
- Related results: Show related results if customer likes the current ones – EP628919
So stop coding that fancy webapp now and go sign that petition!