2. Advertising
Recommendation Engines
Public Impersonal Pages
Public Personal Profiles
Private Groups
Private Personal
Profiles
Group
Messages
1:1
10/18/2021 2
Embrace transparency and restraint
on communication behavior
Amplification Privacy Concern
• Confidentiality,
• Policy
• Law
4. 12/06/2019
Media Sources
Social Algorithms
Online Participants
Content
Comments
Reactions
ML is learning how to select the
information you like to read
Addictive Design
A major design change around 2012~2013
5. 12/06/2019 5
𝑒𝑑𝑔𝑒𝑠 𝑒
𝑢𝑒 𝑤𝑒𝑑𝑒
• ue is user affinity
• 𝑤𝑒 is how the content is weighted
• 𝑑𝑒 𝑖𝑠 𝑎 𝑡𝑖𝑚𝑒 𝑏𝑎𝑠𝑒𝑑 𝑑𝑒𝑐𝑎𝑦 𝑝𝑎𝑟𝑎𝑚𝑒𝑡𝑒𝑟
Social Algorithms