Twitter has just announced a big change to the way it handles photos on mobile.

You can now tag up to 10 people in a photo through the iOS and Android apps, and tagging doesn't affect character count in a tweet. Essentially, this is acting like Facebook tagging - if you’re the one being tagged, you’ll get a notification.

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You can also share up to four photos in a single tweet, rather than using a separate app to make a collage like in the past.

Just tap on a preview to get the full image and slide through the group with a gesture. The feature is rolling out today on iPhone, and is coming soon to Android and twitter.com in the near future.

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