Ideas for a XML Web Service project

Hello,

Can anyone give me some ideas on doing a web service project. It is for my degree and l have no idea of what to do. If anyone can give me some interesting ideas on what type of web service to build l will be very grateful.

Thanks in advance,

Steve

by any chance r u in sta...s

A web service with several functions, some of which include:

1. Currency converter
2. Temperature of a certain city
3. Word translator into, say, german...