Here’s one that hasn’t been widely shared. (No surprise…you’ll get less control; Facebook gets more control.) Hat tip @KatieCook.
Marketing Land reports, “Facebook advertisers are currently able to set budgets by ad set within a campaign, but, starting in September, when ad campaigns migrate to campaign budget optimization, advertisers will only be able to set minimum and maximum spend limits at the ad-set levels. Facebook says that advertisers will set one central campaign budget for all ad sets, and it will “automatically and continuously” distribute budgets in real-time to top performing ads.” Read more here.