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0828 Question

1. Baseball Rule

Objective: score more runs

  • A run is scored when a player makes a round trip around
    • the three base
    • the home plate

Field: A diamond shape with bases at each corner

Number of player: 9 of each team

Duration: 9 innings, each of two haves

Scoring: hit the ball and run around

Get out?

  • Strikeout: missing the ball
  • Fly out: hitting the ball in the air, get caught touching the ground
  • Ground out: hitting the ball along the ground
  • Tag out: Runner is touched

1.1. Role

Offensive

  • Batter: hit the ball
  • Runner

Defensive

  • Pitcher: goalkeeper, last line
  • Outfielders: defenders
  • Batters: forwards

1.2. Process

Take turn playing offence and defense

  1. First inning, top half, visiting team offense, trying to score
  2. switch role
  3. Three outs: each half-inning continues until record 3 outs

1.3. Fun?

  • Strategy: Pitching, Hitting, defensive
  • Skillful plays: double play/ home run/ strike out

1.4. SF Giant

  • Founded in 1883 as the New York Gothams, they became the New York Giants in 1885.
  • Moved to San Francisco in 1958.
  • One of the most successful teams in MLB history.

2. Snow Mountain Melt?

Cold, Dry air, Wind chill, Insulation

3. 2FA, Why, How

Two-Factor Authentication. Add factor

  • Something you know
  • Something you have
  • Something you are

3.1. Why More Secure

Provide a second line of defense

3.2. Limitation

  • SMS: sim swapping, man-in-the-middle attacks
  • User Inconvenience
  • Recovery Risk:

4. Flight Price

Dynamic and complex process, influence by multitude of factors

  • Supply and demand
  • operational cost
  • competition
  • days of the week/time of the day
  • channel

4.1. Why Dynamic Price?

  • Complexity and Perishability
  • Consumer Expectation
  • Transparency and Competition
  • Technology

4.2. Other Industries

  • Hospitality
  • Ride-Sharing
  • Entertainment
  • Electricity

5. Caltrain History

1863, between SF and San Jose

1980s local and state governments stepped in

5.1. Limit Coverage

Geographic Limitation

Different system: BART, Muni, VTA,

Cost and Jurisdiction