Also Factom, is working on something important, if you have an electronic document (signed or not) in you hand, how can you be sure that is like the original, and not falsified in some passage between the first release and when you have in your possession ? Factom stores an hash of a document a a certain date, on the blockchain, you can compare the hash of your document with the hash stored on chain, and be sure is conform to the original. Another complementary part to work right with official documents.