A brilliant solution for college students is here! You can now highlight ideas and still get a 100% clean books that you can resell at the end of the semester. The fading highlighter works exactly as a normal one, but instead of being permanent causing lower resale prices, it fades out after 5 months of using! Fader is currently in development with crowdsourcing manufacturer extraordinaire Quirky. While there are similar products on the market already, they require some amount of erasing. Read more [...]

I like these. From the website: ........................... GreenMarker is a set of lovingly realistic grass-blade-shaped page markers. Double-sided printed paper sticky notes (Post-it by 3M). ........................... 75 markers: $10. Source Read more [...]