▶ Swipe a comment to the left, if you’d like to reply to a user’s comment. Tap the arrow to reply…

▶️ Swipe a comment to the left, if you’d like to reply to a user’s comment. Tap the arrow to reply and the username will automatically be included, so she will be notified of your reply.

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▶️ Write your comment, and then click the right arrow to send.