Editor’s Note: The following article is reprinted from the Today @ PC World blog at PCWorld.com. Popular URL-shortening service tr.im announced Tuesday that it’s restored its service and has reopened ...

Popular URL-shortening service tr.im announced Tuesday that it’s restored its service and has reopened its Website. Nambu, tr.im’s parent company, had announced last weekend that it was closing the ...

Hilary Mason is the chief scientist at Bitly, the URL redirection service with real-time tracking. This means she gets to learn a lot about user habits and how people share and consume links online.