80% of Sponsored Content engagement comes from mobile devices.

Explanation: The correct answer is **True**. With the widespread use of smartphones and tablets, mobile devices have become the primary means through which users access social media platforms like LinkedIn. As a result, Sponsored Content on LinkedIn garners a significant portion of its engagement from mobile devices, with approximately 80% of interactions occurring on these portable platforms. This statistic underscores the importance for advertisers to optimize their content for mobile consumption, ensuring that it displays effectively and delivers a seamless user experience across various screen sizes and devices. By recognizing the dominance of mobile in driving engagement, marketers can tailor their Sponsored Content to cater to the preferences and behaviors of mobile users, maximizing the reach and impact of their advertising campaigns on LinkedIn.