When Emily Yang, a San Francisco tech worker, is running out of cat food, she taps an app called Instacart to order a new bag of kibble to be delivered to her door within hours. 

A cuddlier, friendlier Reddit is taking a page out of the Netflix script.

It?s a rare sunny day in Seattle, Washington, and I?m standing in the grass outside a nondescript office building with engineers in hoodies strolling nearby. One of them, weirdly, is riding a unicycle. 

The bitcoin casino is open again. The price of the digital currency has climbed as much as 50 percent this week, re-creating scenes from a manic 2013 run that took it from $13 to a high of $1,100 before it crashed.