We Transfer allows you to upload very large files (up to 2 gig) and will allow you to share them with others for download. The files stay up for two weeks, so this is not a service for permanent file storage and sharing.
No registration required for this beta service... very easy to use.
https://www.wetransfer.com/
No registration required for this beta service... very easy to use.
https://www.wetransfer.com/