Wrigley plans to start selling “Alert” gum next month — that is, gum with caffeine. Gum sales overall are down, and “energy” products are booming. But cities, states and the FDA are investigating caffeine marketing to kids.

"Gum," the food conglomerate says, "continues to be weak."

People who believed they were playing an elaborate, online game trying to save the human race, were fooled when it was revealed that what they were…