The next time you go on vacation, you may want to think twice about posting pictures on Facebook or using Twitter to let people know you're away from home.

Syndicated financial columnist Kathleen Pender recently wrote a story that spotlighted the growing danger of crooks using social networking sites to help them plan their next burglary.

Clark himself caught some heat from his staff when he used Twitter a few weeks ago to let people know he was flying across the country. Any enterprising thief could have used his Tweets as an invitation to break into his home. Fortunately, nothing happened.

But you can bet that Clark will not be Tweeting his location anytime soon!

Speaking of traveling, the TSA's new Secure Flight program will be ramping up later this summer. You can expect airlines to begin asking for full name, gender and date of birth when you book a ticket.

The New York Times quotes Secure Flight's director as saying, "If your name is Jonathan Smith and you travel as John Smith and your license says Johnny Smith -- get all those things aligned."