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[CDPS] G2 - (PR) Chapter 3- Architecture Member: Sunny / Cindy / M.J /…

- - - - on a platform
      - social exchange
      - economic exchange
- - - - Easy, attractive and valuable interactions to users
      - Platforms>>> facilitate the core interaction
      - Participants' interactions
        
        platform goal
        
        new value form
    - - 2 types
        
        Producers (create) & Consumers (consume) - Value
      - Same user
        
        play different role in different interactions
      - Many types of users
        
        Perform the same role in an interaction
    - - Creation of value unit--- Producers
    - - Selected consumers
        
        Algorithmic
        
        exchange suitable value units between users
      - Filters help platforms manage the information exchange
  - - - Offer value create and exchange
      - Lay out principles
      - Reduce barriers to users
        
        Ex：Instagram
      - Particular case
        
        Increase barriers ,setting intrusive rules
        
        Ex: SitterCity , Reddit
    - - Ensure the most relevant goods and services are exchanged
      - Advantage
        
        collect big data, analyzing the most suitable needs
      - encourage users offer their information
      - Example
        
        Spotify
        
        Acquire from third parties-Facebook
        
        LinkedIn
        
        Progress bar
    - - Create value to attract both customers and producers get inside
      - Keeping the interest of users
        
        Feedback loop
        
        Value unit flows to the users
        
        Find the person who keep interesting
        
        Single-user feedback loop
        
        Create an algorithm
        
        Analyze user needs
        
        Recommend new value unit that user like
        
        Increase user activity
        
        Multi-user feedback loop
        
        producer
        
        Deliver information
        
        Fed back
        
        Other factors
        
        Currency available for exchange
        
        Tangible
        
        Intangible
- - - - Can develop as fast as possible for single purpose
      - Hard to mobilize external ecosystem of software developers
    - - Design independently but function as integrated whole
      - A reason that PC industry grew fast in 1990s
      - Composed of units(modules)
  - - - Visualize the dependency of complex system for examination
  - - - Change core platform slowly while allow positive adaption at periphery
      - Central working network
        
        Core activities
      - Edge of network
        
        Activities only benefit for specific users
    - - Pros
        
        Increase usefulness
        
        Attract more users
      - Cons
        
        Excessive complexity & inefficiency
        
        Technical problems
    - - Reduce complexity of technical problem
      - Avoid interfere & draw resource with core activities
      - Better user experience
      - Platform ecosystem can evolve faster
  - - - Leave rooms for serendipitous discoveries
      - Let users lead the way to where the design should evolve
      - Close monitoring the user behavior on platform
- - - - Uberpool
        
        Ensure the service out-compete Lyft's
        
        Buy "Here" :black_flag:
      - Searching new drivers
        
        The best prospects not able to buy cars
        
        Uber act as middleman to guarantee car loans for its drivers
        
        Win-Win :confetti_ball:
    - - Lyft Line
        
        "Now we get to play that next card and start matching up people to take rides"
  - - - Daily engagement isn't enough
    - - Users create groups and start discussion
      - Solution 2
        
        Allow recruiters target candidate in the site
        
        Advertisers to target ads to relevant professionals
        
        Solution 3
        
        Thought leader ,and subsequently all users , to publish posts on LinkedIn for others to read
- - - - Customers
- - - - Fasal (Cellular Telephony)
- - - - whether
      - how
        
        engage in further exchange
        
        :!:must to facilitate the exchange of information
        
        Yelp: restaurants
        
        Upwork: hiring decisions
        
        Uber: driver availability & location
- - - - Users
        
        Interaction