> on company time, or use company property, equipment, or anything paid for by the company
Mine have also said "relating to the company's business" which I imagine (IANAL) can make a lot of programming projects difficult, and I guess might make a lot of non-programming hobbies difficult if you work for a BigCo -- creative media, "things on the internet" etc etc. And not a line you want to even walk close to IMO with companies of that size.