App of the week - Airport Sherpa. Launching next week, Airport Sherpa is your personal concierge at the airport. You can get food delivered, camera batteries or SD cards, anything you leave behind. Rates start at $3.99. It's only on iOS right now and starts up next week at Baltimore and Washington Airport.
Website of the week - a href=http://www.AwardeX.io" target="_blank">AwardEX.io. This allows you to use your miles and points just about anywhere, including up to 60 airlines, hotels, and more. You'll get 5 search credits for free, and then you have to pay.
Tip - Take as many pictures as you can and weed them out every day when you're done touring.