Mysterious....to me anyway.

[Sqad]

On the buttons F and J there is a ridge.

Why.

[cazzz1975]

I always thought they were markers for touch typers?

[suzie1]

if you press them together an alien appears

[Sqad]

cazz...thanks.

[saxy_jag]

It's so that touch-typists and the blind can locate the F and J keys, which always sit under the index fingers. From there we can locate the rest of the keys.

[Sqad]

suzie.....she appeared a long time ago.....well before computers......they call her Mrs sqad.

[ChuckFickens]

They are the home keys for touch typists, all other key positions are found from them.

[tamborine]

for touch-typing sqad.....need delicate fingering to find them. hmmmm ;)

[Sqad]

Thanks...sexy!

[suzie1]

tamb r u still referring to the f and j keys

[Sqad]

tambo.....I have been known to succeed.........!!!