'Giving Tuesday' Marks Day of Charity After Black Friday, Cyber Monday Sales

— -- People who opened their wallets for Black Friday and Cyber Monday may want to keep them open just a bit longer to give back to an organization of their choice today, which is known as #GivingTuesday.

Now in its fourth official year as a movement, #GivingTuesday was started by the 92nd Street Y in New York City and the United Nations Foundation with the intent of harnessing the power of social media and people around the world to encourage them to donate money or time to a group that may be in need of extra help -- or even donate blood or sign up to be an organ donor.

"Since its inaugural year in 2012, #GivingTuesday has become a movement that celebrates and supports giving and philanthropy with events throughout the year and a growing catalog of resources," a post on the movement's official website said.

Check out the the Giving Tuesday Twitter account to find some ideas for how to give back and see how other people are spreading the love on this day that marks the start of holiday philanthropy.