Do Not Tap on the Glass
A man works at an aquarium. Every day he spends a large chunk of his
time trying to stop people from tapping on the glass at the shark tank.
Finally, fed up with it, he comes up with a solution. The solution works
perfectly, the next day no one taps on the glass. However, he is fired
for it.
What was the man’s solution?
Read here that solution!
Source
What was the man’s solution?
Source
