The document summarizes eight common mistakes that digital marketers should avoid in 2017, as presented by Ray Coppinger of Marketo. The mistakes include: not defining digital marketing goals for one's company; failing to help guide content marketing strategy; not prioritizing SEO; focusing on the wrong metrics; testing improperly or not at all; not prioritizing social media; being obsessed with ranking first in search results; and falling behind industry changes by not continuing to learn. Coppinger provides advice on how to avoid each mistake, such as aligning metrics with channel objectives, starting small tests, and creating a reading list to stay updated on latest trends.