So back to doublecad.com to ask for the number. It's not free.
Downloaded DoubleCAD XT. Last step requires customer information, which asks for serial #. The user agreement says it is provided with the software, but I can't find it.
Smosh tells CNET what it took to make it big online
Internet sensations Ian Hecox and Anthony Padilla discuss how YouTube has changed and why among all their goals, "real TV" isn't an ambition.