The document discusses trends in social media usage and adoption by state departments of transportation (DOTs). It notes that internet access is increasingly mobile, with many Americans accessing the internet primarily through smartphones and tablets. Most commonly used social media tools by DOTs include Facebook, Twitter, YouTube, and LinkedIn. Challenges for DOTs in using social media include limited staff and resources to manage multiple platforms, as well as ensuring engagement and establishing an online brand. The document advocates having a clear social media plan and goals, and emphasizes that building an online community takes time.