Here's my best stab at it, from the perspective of a guy who saw the internet in its infancy (not myself):
Email was the first great asynchronous digital mass communication tool built on the store-and-forward idea. Twitter (or SMS'd tweets, really) is another, much more limited form of the same technology.
Email was the first great asynchronous digital mass communication tool built on the store-and-forward idea. Twitter (or SMS'd tweets, really) is another, much more limited form of the same technology.