This from @ethanmarcotte.com is very good, and hammers on an important point I've been making for years: "personalization" is just something desperate execs push because they have no other ideas, so they translate advertising logic into product features.
"Here's more of the same" is a shit pitch.
ethanmarcotte.com
All watched over by algorithms of loving grace. — Ethan Marcotte
If you liked that, have you considered you might enjoy: more of that