Signature capture possible in various mobile web browsers?

Question

My company is considering offering a lightweight mobile web site for data entry in the field (we already have a thick-client mobile application). One hard requirement is th

Answer 1

I think the picture idea is really clever, but I'd take it one step further. Some mobile devices (phones in particular) don't even do file uploads in a browser. I'd generate an operation specific email address, a hash of some sort of transaction id and the user id for instance, and allow it to be sent as an email attachment. This should catch a very wide variety of clients, as well as not adding terrible complexity.