Fig 3. User A has diverse topical interests and user B displays more focused interests.
Each connected group in the illustration corresponds to a social circle with common interests.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.