It&#x27;s called Photo Magic:<p>&quot;By recognizing your Facebook friends in the photos you take (just like when tagging or sharing photos on Facebook), Messenger can create a group thread for you to share the photos with those friends in just two taps.&quot;<p><a href="https:&#x2F;&#x2F;newsroom.fb.com&#x2F;news&#x2F;2015&#x2F;12&#x2F;messenger-adds-new-features-for-sharing-during-the-holidays&#x2F;" rel="nofollow">https:&#x2F;&#x2F;newsroom.fb.com&#x2F;news&#x2F;2015&#x2F;12&#x2F;messenger-adds-new-feat...</a><p><a href="http:&#x2F;&#x2F;www.theverge.com&#x2F;2015&#x2F;11&#x2F;9&#x2F;9696760&#x2F;facebook-messenger-photo-sharing-face-recognition" rel="nofollow">http:&#x2F;&#x2F;www.theverge.com&#x2F;2015&#x2F;11&#x2F;9&#x2F;9696760&#x2F;facebook-messenger...</a><p>You can opt-out by turning off tagging suggestions: <a href="https:&#x2F;&#x2F;www.facebook.com&#x2F;settings?tab=timeline&amp;section=suggestions&amp;view" rel="nofollow">https:&#x2F;&#x2F;www.facebook.com&#x2F;settings?tab=timeline&amp;section=sugge...</a>