Top 10 Ad Slogans of the Century

Diamonds are forever (DeBeers)
Just do it (Nike)
The pause that refreshes (Coca-Cola)
Tastes great, less filling (Miller Lite)
We try harder (Avis)
Good to the last drop (Maxwell House)
Breakfast of champions (Wheaties)
Does she ... or doesn't she? (Clairol)
When it rains it pours (Morton Salt)
Where's the beef? (Wendy's)