It doesn't seem completely different. Scribd: Upload a document, make it visible to anyone Gmail: Email a document, make it visible to anyone (that you explici

It doesn't seem completely different. Scribd: Upload a document, make it visible to anyone Gmail: Email a document, make it visible to anyone (that you explicitly name) Scribd: Converts pdf, doc, xls, lots of stuff Gmail: Converts pdf, doc, supports any file type (the recipient may need software for it) Seems to me like both are squarely aimed at the "sharing documents" market.