These days, it's normal for anybody to have multiple email accounts, mobile numbers, and several identifiers for instant messaging and social networking sites. Ever wondered what it would be like to have one "account" that fits them all?

There is actually a technology that allows this and your ISP knows about it, but is not too keen on promoting or even using it. It's called ENUM, which became a buzzword 4 years ago but up to now has failed to gain any traction for a number of reasons. This article written by Rudolf van der Berg for Ars Technica explores ENUM and its benefits and explains why no ISP or telephone company is picking it up. Read Article