Digital Marketing in 2026 Looks Nothing Like 2016. Here's What Actually Changed.

The digital marketing playbook that worked in 2016 is functionally dead in 2026. Organic social reach collapsed. SEO got harder and AI search added a new discovery layer. Paid media costs tripled in competitive categories. Privacy changes broke attribution. And average content became invisible. Here's a blunt, channel-by-channel accounting of what actually changed — and what mid-market brands need to do about it.