Hi Howard,

eh... it kind of depends how you want it to be...

with keyframeing the blinks, you get more control... you could e.g. make some controllers for the computer buttons, and then make some set driven keys for on/off... however with expressions, you can make e.g. random blinks...

as I recall Alex Alvarez talked about this last year at the 3D Festival in Copenhagen, one of the subjects was about making a light/lamp blink... I can unfortunately not remember that expression...

regards

Strarup