How many store the message securely in a network which is a permanent recoverable record (if you have the keys) of the messages.
secure and
permanent message could be the selling point.
edit: lol
This a storage function not a communication function.
the internet is BOTH STORAGE & COMMUNICATION FUNCTION.
How can you sell your product if you don't even know its main functionality ? Don't compare Internet with NXT app, it is borderline stupid.