A weekly column about travel and technology.

Help! They upgraded my hotel bill

Olivia Suarez books a hotel room for her husband in Valencia, Spain, through a travel agent. But when he's sent to another hotel, his bill also gets an upgrade -- to the tune of more than $1,000. Now, the hotel, travel agent and reservation company are pointing fingers at each other, as she tries to recover the money.

5 almost free iPhone apps you absolutely must take on your next trip

There are more than 50,000 iPhone applications out there, accounting for over a billion downloads. Hard to pick just a handful to take on your next trip, isn't it? No worries.

The agony and ecstasy of online travel videos

Allow me to vent for a minute. Online video may be the future of travel, but it is most certainly not the present.

What happens when a million iPhone 3Gs units hit the road?

You get this: Video uploads to YouTube from mobile phones jumped 400 percent in a week. The mobile video revolution has begun. And no one will be more affected than travelers.

Where do you post all those soon-to-be viral vacation videos? Click here to upload

Good thing YouTube isn't losing as much money as everyone thought, because when it comes to posting your vacation videos online, you probably don't want to waste your time anywhere else. But I'm getting a little ahead of myself.

Open your eyes: everything is about to change for travelers

One of the most popular cameras on the number one photo-sharing site isn't a camera at all. It's the Apple iPhone. I mention this for two reasons. First, because a new iPhone is being released June 19. And second, because it now includes a feature that promises to change the way we travel: a video camera.

Vexed by the Canon Vixia HFS10, but it can still travel with me — as long as it behaves

I wanted to like the Canon Vixia HFS10. I really did. I own two Canon cameras -- the mercurial Canon 1D Mark III and the forgiving Canon EOS 40D -- but when it comes to video, I've always shot Sony. Still, the HFS10 looked like the ideal travel companion. It was compact, light, had a terrific lens and most important of all, it seemed easy to use. But looks can be a little deceiving.