I am currently reading HowStuffWorks "How to Improve Your Memory: The Method of Loci".
This site helps groups plan trips together.
This great tool from Kayak allows you to set a price range and see where you can fly for that price. For international travel, give it a minute; it take some time to query all those international destinations.
I am currently reading PdF 2010 | John Perry Barlow.
Money can be a powerful motivator, but as studies performed by universities around the country (and this video) explain, rewarding people financially only works to a point. Beyond that, you need autonomy and purpose.