A tobacco company sent Dave several packages of cigarettes with the explanation: "We are sending you some of our finest cigarettes. We hope you enjoy them and will want more."

After several months the tobacco company received this reply from Dave: "I got your cigarettes and soaked them in a quart of water which I sprayed on my bug-infested rosebushes. Every bug died!

These cigarettes make best poison ever! Please send me some more next year in case any bugs survived."