Do enough browsing and you'll still show up on the user activity lists... and then come the hard questions.
how do these user activity lists work? i saw some thing at my new job saying web usage is audited from time to time - would this tend to be just if someone wanted to see why an employee's work wasnt up to scratch or do IT staff routinely snitch on their colleagues to management? remember that Bank of ireland guy lost his job because he looked up an escort agency site at work to see if he might employ one on his next business trip - surely no more relevant to his employers than if he was looking up golf courses that he might visit while on his next business trip.