Capacitance measurement with the Arduino Uno

I guess this opens up a new section... "how did THEY do that?"
Now this is a cool use of arduino for those of us doing also analog stuff:

http://wordpress.codewrite.co.uk/pic/2014/01/21/cap-meter-with-arduino-uno/

The cap meter in my multimeter kind of sucks, so I will definatelly try this.