By the end of today, you'll be able to broadcast yourself directly into your followers' dashboards. And they'll be able to broadcast themselves directly into yours. We trust you all to be beautiful, weird, compelling, and just generally Tumblr about this whole thing.
Live videos can be posted on a Tumblr page from a variety of apps, including YouTube, and those posts can be reblogged as well. If you follow Tumblr users, you will be given a notification if they launch a live video streaming post, and that post will be pinned on top of your dashboard.