Facebook‘s (FB) video advertising debacle, in which it overestimated the average viewing time for its video ads, will not lead to a massive refund to advertisers since it delivered on what it was contractually obligated to do.

However, the social media juggernaut may feel a revenue squeeze when its contracts for video ads come up for renewal. And the ones most likely to apply the pressure are the brand advertisers — not the performance-based, or return on investment (ROI), advertisers.

Read the full The Street article here.