Comment by sciurus

"Greg Maxwell ... announced that a certain chip contained the ASICBOOST optimization, and suggested a BIP that involves a Segwit-style commitment, which in practice would be coupled for a call to activate Segwit."

If, like me, you didn't understand any of that sentence, I've found what I think is a more useful guide: https://bitcoinmagazine.com/articles/breaking-down-bitcoins-...