Presentation from Psychster Inc., a research firm dedicated to the psychology of social media, to the Puget Sound Research Forum in 2006 on the psychology of reach, frequency, and stickiness.

1. The Psychology of Reach, Frequency, and Stickiness David C. Evans, Ph.D. Psychster Inc.

2. Total Page Views Users/mo * Visits/user/mo * Page Views/user/mo = Total Page Views/mo People * Checking * Clicking = Total Clicking Checking People

4. 1 additional visit increases total monthly page views by 819 million.

6. Any UGC: Email, comments on profile, message boards

7. Breaking news

8. Netflix queues

9. Ebay bids

13. HotOrNot.com

14. MySpace FOAF

15. Realty, product browsing

17. Add email, comments, or a message board.

18. Add an RSS feed.

19. Display new content at random intervals.

20. Minimize or eliminate email alerts except monthly.

21. More clicking: Add a casual game.