The number of older adults using social media has almost doubled during the past year, according to a study by Pew Internet. Sites like LinkedIn and Facebook are most popular among the gray-hairs, but their use of Twitter is also growing quickly.

The number of older adults using social media has almost doubled during the past year, according to a study by Pew Internet. Sites like LinkedIn and Facebook are most popular among the gray-hairs, but their use of Twitter is also growing quickly.

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