You start working on your project at the office but it is time to go home, do you stay and finish the project? How about working on the same file at home without having to do anything but saving the file to your office computer before you leave. Through the beauty of dropbox you can have access to your files, at home, and at the coffee shop with your laptop, you can also view them on your itouch, or even at your neighbors as you watch the big game.
For FREE you can sync 2Gigabytes between as many computers as you need. The same files are also stored on the web in an encrypted folder you can log into from anywhere. If you need more than 2 Gig then you can purchase extra storage space.