NO MORE INVITES!
DropBox is blowing me away. Rarely do I find an app I must tell you about. Even more rarely do I find an app which I can tell you has done everything right.
Seriously, if any service wants to go into this space, they just need to copy what DropBox has done. There may not be any more room for innovation in this space.
Go check the video on their homepage to get a sense of why.
If you want an invite, comment below:
UPDATE: I've hit the limit on invites. You can still comment (which leaves your email address), but I don't know when I can invite more people.