Evan Williams wrote a really good piece on Medium this week about the value of Twitter versus the value of Instagram, and in a wider sense, the difficulty or even impossibility of measuring the value of these sites, or comparing one to another.

Blue Bottle, the artisanal coffee retailer popular with hipsters from coast to coast, just informed employees that part-time workers will not receive health benefits, effective January 2015. A tipster reached out to Valleywag with the news and the company confirmed the change.

Ev Williams co-created Twitter way back in 2006—years before you were using it. He's kept a firm grasp on the company since then, and according to Bloomberg News sources, still holds 15% of Twitter. That means the biggest payout on IPO day.

What is Medium, asks the Atlantic. Friend or foe? Publication or platform? Epic troll? Then, like magic, MEDIUM REPLIES.

After four years in San Francisco's Noe Valley hood, one of Twitter's dads, Evan Williams, is moving on to something better, and presumably more expensive.