On Tuesday the U.S. Postal Service announced that it's done something for the fifth consecutive year. What?

Send your answer by noon ET Thursday to newsquiz@slate.com.

Tuesday's Question (No. 349)--"Whose Deal?":

This year 10 million free online holiday greeting cards have been sent via Bluemountain.com. About a million of them have something in common. What?

"A swastika."--Evan Cornog

"Dear New York State Registered Voter, As first lady ..."--Brooke Saucier

"A cuss word is written on the knob of Billy Ripken's baseball bat."--Matt Sullivan

"Nine million Bluemountain.com users opted for the young, skinny Jesus, but around 10 percent of users went for the 'fat Jesus.' "--Tim Carvell

"That goddamned hamster dance."--Matt Heimer

Click for more answers.