His column is updated every day or thereabouts, as he can e-mail us, so check back often for new contributions.
Over the next few months, about 100 Pepsi vending machines will be popping up in Missouri, Sioux Falls, and San Francisco.
Instead of plunking down change to get your pop, you'll use your cell phone to dial a number on the machine, then pop a number on your keypad to get your soda.
The system is being developed by Wirca, and works like a pre-paid calling card.
You set up an account on a Web site with some personal information, including a name and mobile phone number.
Money is deposited into a special pre-paid account, and, as you drink, the amount shrinks.
Consumers can activate a Wirca account through their cell phone or the Wirca Web site.
Do you have some mobile computing advice to share or have a question?
You can Write to Dennis!.
Include your first initial and last name and put the word MOBILE in the subject.
I'll try to use your contribution in a future column.
(Please note that these columns are written several weeks in advance so publishing it will be delayed accordingly.)
If you have to travel like I do, then you KNOW what a pain computing on the road can be.
If your traveling is for pleasure and you plan to take a laptop, then you STILL know what a pain computing on the road can be.
Either way, I hope these ideas help.
Oh, if you get home before I do, please leave a light in the window and the latch-string out.