November 18th, 2020 update: Did you know that most Fortune 500 CEOs are on social media in 2020? Visit our updated article here to learn more about which platform is the most popular among executives.   Back in 2015, CEO.com published its 2015 Social CEO Report, which included a widely quoted statistic pertaining to executive social media. That statistic was the fact that only 39% of Fortune 500 CEOs were on any social media platform, and 61% weren’t on any at all! We’ve seen these numbers quoted as recently as this year, so we thought it was time for an update. Our team at Influential Executive replicated the study in February of 2019 using the most recent Fortune 500 list, going through 500 executives one by one to search across platforms for public pages and evaluating the level of activity for each. The...