Meta Ads is where you buy attention on Facebook and Instagram, plus Messenger, WhatsApp and the Audience Network behind them. One platform, one auction, and your ad follows people through the feeds they read every day, most of it off the clock. The reason it earns a place in a B2B stack is price and presence. Your buyers scroll the same feeds as everyone else in the evening, and reaching them there costs a fraction of what LinkedIn charges for the identical person. The targeting is blunter, there are no job-title filters, so the aiming comes from the lists you feed it. That is exactly the job we give it in our warming and ABM builds. Your CRM lists and TAM tiers upload as custom audiences, useful content runs at those exact companies for weeks before any outreach, and suppression syncs from the same lists so a closed deal stops its own ads. Lookalike audiences built from your closed-won customers extend the same list to companies that resemble them. Fed a precise list, Meta is the cheapest familiarity a B2B budget can buy. Fed a loose one, it happily spends everything on the wrong companies. The list always comes first in our builds, and the platform stays on a short leash: small budgets, tight audiences, and the engagement flowing back into the same table that built the list.