Practical Experimentation Summit: In December 2018, 34 experts in #ABTesting from Airbnb, Amazon, Booking, Facebook, Google, LinkedIn, Lyft, Microsoft, Netflix, Twitter, Uber, Yandex, and Stanford University shared challenges. Summary will appear in June SIGKDD Explorations

Is it really Diversity and Inclusion if you select people from minority groups who behave most like the majority group…?

OH: "I'm a Staff Engineer, which means I think I write code, but I really just talk to people and tell them which code not to bother writing."

A case study in how to skew a poll.

Dev: Why service-a sends all these in the #event? service-b only needs half of it. Me: service-a doesn't know abt service-b. It sends what's relevant to its context. Avoid temptation to tailor events esp. when same team own producer & consumer services. #Serverless #EventBridge

Is there a Turing Test equivalent for parody?

Honestly, I’d much prefer a SCOTUS Justice that has basic statistical literacy than one whose brilliance in con law allows them to write beautiful dissents or the mind-blowing 14th prong of some new test.

Spark's randomSplit can be nondeterministic. The reason is actually pretty simple, and I explained it (and a fix) here: github.com/guyrt/guyrt.gi…

A pattern I've noticed more than usual is that the team took "Spring Break" coinciding with local school district. Not fully OOF, but way less meetings. Yes please, more of this.

Being a Staff+ engineer is like being an aunt/uncle to the junior folks while the managers have to be the responsible parents.

This is magic. I've wanted a way to reformat a paper on my phone or e-reader and this seems the best option going.

I've actually come to love the build consensus part of being an Architect. Doing it well requires communication, listening well, and lots of empathy.

Instead of seniors with diabetes paying as much as $400 a month for their insulin they so badly need, they now only have to pay $35 a month. Period. I want to extend those savings to everyone who needs lifesaving insulin, whether you’re a senior or not.