That's also called stability. It means that Paypal has been successful enough to still be around after 5 years.

You know what else is stable? Typewriters.

Have you tried purchasing a typewriter lately? The new market is almost nonexistent, and the used market is a mess! This is definitely a market due for disruption!

relevant> http://www.yelp.com/biz/california-typewriter-berkeley

Probably that's the reason why keyboards today are almost of the same layout.

So many alternatives have been proposed but they are no way even close to replacing the qwerty layout.

A well-made typewriter is currently worth more than most startups. Indeed, even a poorly made typewriter is probably more useful than all of the social networking, kickstarter, and faddish clones currently flooding SV; it will certainly provide more value to its user and society.

touche'...it's not the critic that counts...