De-clutter your social networks.
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Use Facebook, Twitter, and Linked­In less as sources of entertainment than as communication tools. Group your contacts into appropriate friend, colleague, family, and acquaintance files to prioritize whom you are connected to and why. Then delete a third of them. You may be surprised at what happens. "Two hours a day posting on Facebook or mindlessly surfing the Web adds up to a month or more in the course of a year," says Daniel Sieberg. "There are a lot more things you can accomplish in that time."