Sure, I have a nice idea:
We can offer some cipher text (using any cipher you wish), and ask them to recover the plain text. Or anything harder that google/internet can't solve
I also think we should make the following changes :
(1) Questions should be posted at a fixed time
, say 08:00, so that ALL
users have access to the question before someone posts the answer quickly, 'cuz they know when the question is to be posted. With a random posting time, the one who is online at that instant is at advantage.
(2) If the answer to the question is not posted within 00:01 (12:01 AM) of the next day, the 1$ for that day should go towards the Support open source campaign of Go4Expert.com. The thread should be locked so that no answers are accepted.
Please give your views.