Check this out, it's pretty useful. This web-app can allow you to upload files that can be viewed by others (like any other filehosting site). The nice thing is that I could modify that file and upload it to the same directory, so we could work on a project and be in sync. Works with windows and macs, I have a hard time explaining but it's pretty useful. Check it out for sure.
And if you want to get in, you get 2 GB storage, but if you get "invited" by me, we both get 250 MB extra. Here's the link:
Sig figs suck.