Classified Ads is another site which looks like a carbon copy of Craigslist, but it's actually a lot older.
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With its constant drip-drip of little rewards — the comments on your Wall, the compliments for your photographs, the delight of a new Private Message — Facebook is like a permanent little devil on your shoulder, constantly whispering: Log on, take another look — you know you want to.
Primary and Secondary Groups A common distinction is made between primary groups and secondary groups.
They are also more drawn to new media choices like handheld devices, the Internet, and computer games.