Make no mistake: This 30-step (!) contest is not easy. In fact, I'd guess that most users will get stuck around Step 4. And it doesn't help matters that Dropbox provides no instructions to speak of. You'll have to rely solely on your wits. Or, if you're strapped for time, this . (Be sure to scroll to the bottom for a list of other ways to score extra Dropbox storage.)

Don't wait too long: Dropquest ends January 29.

If you've got a hassle that needs solving, send it my way. I can't promise a response, but I'll definitely read every e-mail I get--and do my best to address at least some of them in the PCWorld . My 411: . You can also sign up to .