Some bubbles aren't echo chambers. If you only follow people who agree with you that math is cool, or that the majestic octopus is the best animal, maybe that's

Some bubbles aren't echo chambers. If you only follow people who agree with you that math is cool, or that the majestic octopus is the best animal, maybe that's a bubble where you'll learn tons of new stuff. Maybe google+ was right all along. Publish this to the octopus circle, publish that to the math circle, and this other thing to the politics circle.