Here's some good news for all you Dropboxers out there: the company is offering a bundle of free storage space to anyone who tries the beta version of its new Experimental software. It's really quite simple: just download the test program, upload a photo, and instantly get 500MB of free storage. Upload another photo or video, and an additional 500MB will magically appear at your doorstep. The idea is to test out the beta software's new photo and v