Apple's iPhone got a plug from Lucille Ball during the Academy Awards. Lucy appeared in the first commercial break as Lucy Ricardo in the "Vitavetavegamin" episode answering her phone saying "Hello". The commercial then followed with a number of movie and TV personalities saying "Hello" into their phones. You can watch the commercial on Apple's iPhone website.
The iPhone is a mobile phone, iPod, eMail, web browsing handheld device. It revolutionizes the concept of mobility and communications.