The Snark or Percontation Point or Irony Mark - used to indicate that there's another layer of meaning in a sentence. Usually a sarcastic or ironic one. So it is essentially a tool for smart people to use to make stupid people feel even stupider. Which makes it the best punctuation mark of all.
Most college students don't know how to get the best results from a Google search. Check out these tips to search smarter and save time.
If you haven’t added the +1 button to your site yet, then it’s definitely time to do it now. This button is not just about social search but about users highlighting whatever they have found useful and relevant across the web and sharing it with their friends. +1s show up on Google+ profiles and pages and send a signal both to site visitors and to Google about the importance of particular content.