slogans

Apple's first slogan, "Byte into an Apple", was coined in the late 1970s.From 1997–2002, Apple used the slogan Think Different in advertising campaigns. The slogan had a lasting impact on their image and revived their popularity with the media and customers. Although the slogan has been retired, it is still closely associated with Apple.Apple also has slogans for specific product lines — for example, "iThink, therefore iMac" was used in 1998 to promote the iMac,and "Say hello to iPhone" has been used in iPhone advertisements."Hello" was also used to introduce the original Macintosh, Newton, iMac ("hello (again)"), and iPod.

taken from: http://en.wikipedia.org/wiki/Apple_Inc.#Slogans