Placements: where your ads actually show
A placement is a specific spot in Meta's ecosystem where your ad can appear. Same ad, very different contexts - a full-screen vertical Reel vs a small right-column desktop unit. The modern answer: let Meta choose.
1The four platforms, many surfaces
- Facebook — Feed, Reels, Stories, Marketplace, in-stream video, search, right column.
- Instagram — Feed, Reels, Stories, Explore, Shop.
- Messenger — Inbox, Stories.
- Audience Network — third-party apps and sites beyond Meta's own properties.
The formats that matter most today: Feed (the workhorse) and Reels/Stories (full-screen vertical, where attention and growth concentrate).
2Advantage+ Placements (automatic) vs Manual
Why automatic usually wins: the same way broad targeting beats narrow (Day 8), letting the algorithm pick placements finds cheap impressions you'd never select. Restricting to "just Instagram Feed" because it "feels premium" cuts the system off from cheaper, equally-converting inventory.
3The real consideration: creative fit
Not control - different placements need different creative shapes. Feed → square (1:1) or portrait (4:5). Reels/Stories → full vertical (9:16) with safe zones so text isn't hidden behind UI. A horizontal video built for Feed looks broken squeezed into a 9:16 Reel.
Modern best practice: keep placements automatic, but supply creative in multiple aspect ratios so your ad looks native everywhere. Placement strategy is really a creative-production question now - a bridge into Week 3.
A message designed for a wide highway billboard fails on a vertical phone screen and vice versa. You don't refuse to advertise on one - you produce the right shape for each surface and let the system place them where they perform. Constraining placements to avoid reformatting is solving a creative problem by throwing away reach.
Resist hard-cutting placements purely on short-term CPA - the algorithm balances them as a system.
(1) Switching to manual and excluding Audience Network or Reels on instinct - usually just raises costs. (2) One square creative everywhere, so it looks amateurish in Stories/Reels. (3) Excluding placements on a noisy short-term breakdown. The pro move: automatic placements + properly formatted creative per surface.
Recap - 30 seconds
- Placements = the specific spots across FB, IG, Messenger, Audience Network.
- Advantage+ (automatic) is the efficient default; manual is a brake on the auction.
- The real reason to care is creative fit: Feed needs 1:1/4:5, Reels/Stories need 9:16.
- Best practice: automatic placements + multiple aspect ratios.
- Don't hard-cut placements on noisy data; the algorithm balances them as a system.