FAX would be great, if a reliable file upload=>send method were brought back.

I know there were patent infringement/royalties concerns. What ever happened to Hylafax for LINUX? That used to have most of these features.

http://www.hylafax.org/content/Main_Page
http://www.hylafax.org/content/Related_Software
http://www.hylafax.org/content/Web_Based_Faxing
http://www.avantfax.com/

Maybe there are opportunities with Hylafax?

... just brainstorming ...