Josh Constine, writing for TechCrunch:
Today at a flashy event in San Francisco, the company announced it will begin allowing users to upload videos up to one hour in length, up from the previous one-minute limit. And to house the new longer-form videos from content creators and the general public, Instagram is launching IGTV. Accessible from a button inside the Instagram homescreen, as well as a standalone app, IGTV will spotlight popular videos from Instagram celebrities.