Facebook executives including Carolyn Everson, vice president of global business solutions, and Neil Potts, public policy director, held at least two meetings with advertisers on Tuesday, the eve of the planned one-month boycott, three sources who participated in the calls said.

One digital ad agency representative said Facebook executives referred repeatedly to the audit, without offering additional concessions

But the executives offered no new details on how they would tackle hate speech, the sources said.

One digital ad agency representative who participated in a call on Tuesday said Facebook executives referred repeatedly to the audit, without offering additional concessions.

Image: Alessio Jacona

Facebook executives have reached out to CEOs, board members and chief marketing officers of major advertisers to talk them out of the boycott, two people briefed on the discussions said.

Facebook said last year its top 100 advertisers accounted for less than 20% of total ad revenue.