I love FiveThirtyEight — it’s amazingly thorough, thoughtful, and nerdy.
As a general technique, it’s probably a dead end. But interesting nonetheless…
(AT&T, it’s your turn!)
Q: How much does it cost to add Second Line service?
A: Second Line service is available for one low monthly fee based on the subscriber’s level of Digital Phone service.” —
I hate to be snarky about affiliates of my former employer, but this is a hilariously useless response to a pretty basic question.