If you have many account in internet and you get frustated to to rememmber all username and password that you have, i suggest you to register an openID on internet. What is openID ? As they explain on their website OpenID.net

OpenID eliminates the need for multiple usernames across different websites, simplifying your online experience.

All people can use this OpenID for Free. Now you can save your time by remembering all of your user name and password.

If you already have your OpenID account, don’t forget to register in ClaimID. There you can share your infromation or even build your network. Now you can save your time, more cocern with your jobs and build your own network using OpenID and ClaimID. Have fun every body.