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Social media whoa: 3 things you probably didn't know
Did you know there's a limit to how many people you can follow on Instagram? Neither did I, and that inspired me to do a column on things you didn't know about your favorite social media sites. While there are many, here's more on that Instagram one and two useful bits of information for Facebook and Twitter.
By Scott Kleinberg, Tribune Newspapers
March 14, 2013