Interesting presentation by Ben Evans of Andressen Horowitz on the rise of mobile computing power and why it heralds an AI future. Presentation available narrated or in slides if you're in a rush.
John Buono's blog
Elitist, Superfluous, Or Popular? We Polled Americans on the Oxford Comma
There’s been a lot of ink spilled on the Oxford comma, the comma that goes before “and” in a list of three or more things. Is it a grammatical must or an unnecessary blight?