Gakked from Technovelgy:
Here is a new cell phone that sports a replaceable scented strip on its body. Although it doesn't transmit odors to the recipient of a phone call, it's not a far cry from Fred Pohl's joymaker, a fictional form of PDA described in The Age of the Pussyfoot:
The remote-access computer transponder called the "joymaker" is your most valuable single possession in your new life. If you can imagine a combination of telephone, credit card, alarm clock, pocket bar, reference library, and full-time secretary, you will have sketched some of the functions provided by your joymaker.
Hmmmm, that sounds like a near future relative of the iPhone.
Now do I want it in vertiver or vanilla-mint?
Huh. Combine this with the Telco-powered vibrator and you've got a real moneymaker.