What it means
Advantage+ is Meta's umbrella name for AI-driven campaign automation. Originally launched for shopping (Advantage+ Shopping Campaigns or ASC), it has expanded into general Advantage+ campaigns. The basic idea: instead of you manually defining audiences, placements, and budgets, Meta's algorithm decides on the fly using signals from your pixel and Conversions API.
You provide budget, creative, and goal. Meta provides audience targeting, placement allocation, creative variant testing, and bidding.
Why it matters
For accounts with strong conversion data feeding back, Advantage+ campaigns frequently outperform manually-tuned ones. Meta's algorithm has access to vastly more signal than any human marketer; with a clean conversion feed, it can find audiences that human targeting would miss.
For accounts without strong conversion signal, Advantage+ flounders. The fix is the same as for any ML system: feed it good data via Conversions API and clean conversion definitions, then let it run.
Example
An e-commerce brand running Meta ads with strong CAPI integration switches their main campaign from manual interest-based targeting to Advantage+ Shopping. Same monthly budget. ROAS goes from 3.1x to 4.4x in six weeks. Meta is finding audiences the marketer would never have selected manually.