How to snap back to someone on the New Update for SnapChat?

On the newest version of SnapChat I can no longer double click on the person's name who snapped me, but instead the instant messaging option just pops up. I have an iPhone.

You can either swipe left on their names to bring up the instant messenger, then tap the blue/yellow/white icon at the bottom right of the screen. Alternatively, you could just return to the snapchat view finder, take the snap and find your friends name again.

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