inessential by Brent Simmons

Scaling Servers

If you’ve been, like me, a Cocoa developer for a bunch of years, you may have missed one of the coolest things about cloud services: most systems let you bump up the number of instances of your server so you can handle more traffic.

Dave Winer does a video demo showing this with Heroku. So easy.

Related and required reading: The Twelve-Factor App.