And if I was using Twitter.com to Tweet as I sometimes do, then I wouldn’t use one, I’d just let Twitter shorten it. An object ID is an optional attribute that uniquely identifies a file or directory on a volume. Ever heard the saying, ”the shorter the better?” Well, I actually, made that up. A Microsoft Security Brief recommends the creation of short-lived URLs, but for reasons explicitly of security rather than convenience.[6] History[edit] An early reference is US Patent 6957224, which describes ...a system, method and computer program product for providing links to remotely located information in a network of remotely connected computers. See if you are using Classic Analytics (ga.js) or Universal Analytics (analytics.js).