I use about 400 self-made tools, and about 20 bookmarklets, but I wonder if there are surprisingly few people who make their ...

All the codes above have been tested as working at the time of submission. However, codes with unknown expiry dates may stop working at any time. Spotted a new code we haven't included or tried one ...

If you don’t want to get taken for a ride at the service desk, it can pay to do your homework first, experts say ...