Imagine if the progenitors of email thought to require e-stamps, say a thousand emails for a buck. There's a parallel universe where 'Email co.' is a major tech player comparable to Google. Not sure it's a better universe, but bears consideration.
It is always so tragic to me that, for over a decade, I would have paid for Twitter. But by the time they rolled that out, enough had changed that there's no way I was going to pay for Twitter.
