Today on Bud’s Weekly Geek-out . . . LensTag, a website where you can register their camera equipment and, if it gets stolen, a publicly searchable page is created with a description of the item and its serial number.
People buying used camera equipment can then do a quick search on the serial number of something they’re considering and quickly find out if it’s stolen. =) Bud
And, here’s a great article on preventing gear theft from Petapixel.com.