I found and downloaded this valuable piece of content (34 pages PDF ebook) that you might find helpful. It's all from Gartner for Marketers, and through survey data report, I saw many ongoing problems that Marketing Operations are frequently facing.

Please find below: Marketing Operations Survey - A Successful Function That Requires Change to Sustain.

https://emtemp.gcom.cloud/ngw/globalassets/en/marketing/documents/marketing-operations-survey-2020.pdf

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