Intriguing little program on MacZot
(and MAS)
itunes.apple.com/us/app/should- … 1219?mt=12
that uses face detection to see if there is someone sitting at the computer. If there is, sleep is prevented. Saves you from having to hit a key to keep the computer awake. And it’s only $0.99 today.
Martin.
Nifty use of technology. But does it also prevent the user from going to sleep while sitting at the computer? 
That’s what I need this dark and dreary morning. No point in my computer being awake if I’m not!
Ha – excellent point. I could do with that, too. In my case around 2.30 to 3pm. That’s when I drift off …
M.