What are /r/urbit's favorite Products & Services?

From 3.5 billion Reddit comments

They have their interesting alpha browser out. https://blockstack.org/blog/browser-public-alpha

"The Blockstack Browser enables a world where data from your apps is stored in a location that you select and in a way that you control. Blockstack apps store data where you choose. You can chose to use a public Gaia Storage Hub or a hub that you run yourself in the cloud backed by commodity cloud storage like Amazon S3 or Azure or on hardware and storage devices you own yourself."