When one is looking to kill several hours or so, StumbleUpon is one of the best ways to do it. Users can “thumbs up” websites to submit them to Stumble (if they haven’t already been submitted) and get the opportunity to tag and review the site. Other users then Stumble to these sites based upon the preferences they give Stumble when signing up. It is a fantastic way to discover new and interesting websites that one never would have gotten to on his/ her own.

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The place to go if you need a slang term defined. People submit definitions for each word, institution, or the like, and other users upvote or downvote the definitions to the top or bottom of the list. Think of it as a public dictionary, if the public was made up amost entirely of crass youngins.

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When someone asks you a question that can be solved by googling the question, you can send them to this site. With a built-in tutorial and nigh-perfect functionality, this sassy site is perfect for those who get asked too many questions.

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This is a more slickly professional, subscription-based social networking site similar to Facebook or Myspace.

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The hugely popular video-sharing website where users can upload video content. Many memes get started when some YouTube content is shared between many people.

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This website is designed to store and organize users’ photographs and videos, and share them with other web users.

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Tumblr: This website “lets you effortlessly share anything. Post text, photos, quotes, links, music, and videos, from your browser, phone, desktop, email, or wherever you happen to be. You can customize everything, from colors, to your theme's HTML.” -from the Tumblr website

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Like MySpace and Facebook, users create profiles, but the emphasis is much more on written blog content rather than contact information, photographs, or games.

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A forerunner to Facebook, this site is now a less popular alternative with much the same approach.

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Users create online profiles to interact with one another on a social or professional basis. Use of Facebook has generated much discussion about internet and professional privacy.

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