A bug in Meta’s ad delivery system caused significant expenditure for Facebook advertisers on various accounts. Advertisers reported that their ads exceeded their daily budgets, affecting their performance metrics adversely. Some ad buyers said CPMs went up by 200%-500%.
Meta admitted the problem within hours of reports and worked to implement a fix immediately. It also assures ad partners that they would receive credits to rectify the situation. Meta re-aligned its ad delivery process around machine learning and improved the detection of the accurate audience for each campaign.
Read more: Facebook Ad Systems Error Causes Significant Overspend on Many Accounts
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