The latest news out of Instagram is live ephemeral video which allows sharing up to one hour, with friends getting notifications you're live. Instagram says it'll roll out world-wide in the coming weeks.
When you’re done, your live story disappears from the app so you can feel more comfortable sharing anything, anytime. Instagram Launches Live Ephemeral Video [blog.instagram.com]
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8:39 pm on Dec 12, 2016 (gmt 0)
According to reports, this is being rolled out to US users in the next few days.