How do social bookmarking sites such as Delicious and StumbleUpon differ from social news sites such as Reddit and Digg?

Question

Quizplus · Accepted Answer

Social bookmarking sites like Delicious and StumbleUpon are focused on allowing users to save and share links they find interesting, while social news sites like Reddit and Digg are more focused on allowing users to share and vote on news stories and other content. Additionally, social news sites often have more stringent rules and editorial processes for submitting and sharing content. The other options (B, C, and D) do not accurately describe the differences between these types of social media platforms.

How Do Social Bookmarking Sites Such as Delicious and StumbleUpon