Instagram copies Snapchat again with one-handed zoom for Stories

Instagram Stories just got its first significant update. But its newest features will — surprise, surprise — be familiar to most Snapchat users. 
The update added the ability to zoom in on video while you're recording and the option to switch between the front and rear-facing cameras while recording. Both features are identical to their Snapchat counterparts.
SEE ALSO: Snapchat Stories vs. Instagram Stories: How similar are they?
Now, when recording a video for Instagram Stories