If you don't share photos on Twitter because you can't tag your friends in them, a new update could change your mind. Twitter has added a photo-tagging feature to its Android and iOS app so you can link all your friends in one picture. Tagging your contacts doesn't affect the 140-character count in the tweet, and you can add up to ten people in one photo. The new update also lets you share up to four photos per tweet. Here's how you can tag contacts in your picture on Twitter.



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