TED is chock full of amazing content from the world of thinking, making, creating, innovating, etc.
Most folks know about it by now, so why include it? TED-Ed for one, but for two, it is transformative for enabling customized delivery of the content with piles of UDL features. It's just awesome.
Customized news feed that is more visual than text.
I cannot stand RSS feeds -- this, however, makes me crave more news. Similar to Flipboard, but less ornery on my classic Android Incredible v1.0