The domain name service you use may have an effect on the speed with which web pages load, but there are other reasons to examine the DNS you use now and possibly change it. In Short Circuits: When you’re giving away or selling a computer or disk drive, think about the files that were on the computer. Just deleting them doesn’t really remove the data. How much more you need to do depends on how much you value privacy and security. • Excire, the company that makes the standalone Excire Foto and the Lightroom Classic plug-in Excire Search, is also helping law enforcement agencies evaluate photographic evidence.