Question

how did obamas 2008 campaign use social media?
to effectively mobilize and engage a broad electorate
to limit voter engagement
to focus solely on traditional media
to avoid digital communication

Explanation:

Obama's 2008 campaign utilized social - media to reach a wide range of voters, mobilize them, and increase engagement. Social media platforms allowed for direct communication with supporters, fundraising, and organizing events. Limiting voter engagement, focusing solely on traditional media, and avoiding digital communication are contrary to the purpose of using social media.

Answer:

To effectively mobilize and engage a broad electorate