650
Lenovo's 'encrypted' fingerprint USB drive is just an unencrypted SD card in a fancy case
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
Because it's for typing. And most people who type on QWERTY keyboards do so by using a pretty standard position, where pointer fingers fall on F and J.
Bu putting the clit halfway between those anchor points, you get a thumb that's almost always available for any cursoring.