Obviously, the famous Got Milk? campaign is one of the most effective advertising slogans ever, all the more so because of its meme compatibility–that is, anyone can make a “Got x?” shirt/poster/sign and people will get the reference. The California Milk Processor Board is hardly the first advertiser to harness the power of question slogans, though, as mental_floss notes with their listicle of 18 Memorable Advertising Questions. Although we thought of one more (included after the jump), we especially like a certain mustard company catch-phrase, which has spawned some excellent parodies.

“What’s in your wallet?” by Capital One