Biden Goes Old. Sanders Goes Young. Warren Is in Between. What Facebook Ads Reveal About 2020.

NEW: Joe Biden spends a majority of his money on women over 45.

Bernie Sanders targets by far the youngest voters of the top tier.

Elizabeth Warren more closely mirrors the projected Dem primary electorate.

A deep dive into the Facebook's ad wars: https://t.co/tTM332zodU

— Shane Goldmacher (@ShaneGoldmacher) October 14, 2019