Each organization should develop common-sense policies that fit their needs. But, Bill Detwiler believes there's almost always a way to work a personal use clause into any policy. Does your company allow a little personal use of the corporate network?
Unless above-normal security is required, I've always been a fan of "reasonable" personal use clauses in acceptable computer/internet/network use policies. In a recent blog post, I explain why there's almost always a way to work a personal use clause into any policy.