1. Example
1.1. twitter
1.1.1. origin
1.1.1.1. Jack Dorsey Noah Glass Biz Stone Evan Williams
1.1.1.2. March 21, 2006
1.1.2. Donald J. Trump's twitter
1.1.3. Statistic
1.1.3.1. Monthly Active users:330,000,000
1.2. snapchat
1.3. instagram
1.3.1. Adidas's instagram
1.3.2. Statistic
1.3.2.1. Monthly Active Users:800,000,000
1.4. facebook
1.4.1. Origin
1.4.1.1. Mark Zuckerberg
1.4.1.2. February 4, 2004
1.4.2. Background
1.4.2.1. biggest web sites in the world
1.4.2.1.1. visited by 400 million people a month
1.4.3. Statistics
1.4.3.1. Internet users within the United States spend more time on Facebook than any other website.
1.4.3.2. Monthly Active Users:2,070,000,000
1.5. youtube
1.5.1. origin
1.5.1.1. Steve Chen Chad Hurley Jawed Karim
1.5.1.2. February 14, 2005
1.5.2. Background
1.5.2.1. Video technology
1.5.2.1.1. upload, live streaming, 3D & 360 video
1.5.3. Statistics
1.5.3.1. Monthly Active Users:1,500,000,000
2. Influences
2.1. Psychological health
2.1.1. "Our happiness is connected with the happiness of people three degrees removed from us; whether we’re happy or not depends in part on our friends’ friends’ friends."
2.1.2. Flow of emotions: both positive or negative
2.1.2.1. cyber bullying
2.2. Politics
2.2.1. 62% gain information through social media
2.3. Society
2.3.1. Increased visibility of issue
2.3.1.1. shifted the balance of power from the hands of a few to the masses.
2.3.2. Participation
2.3.2.1. Less action in reality due to the substitution of participation through internet
3. Functions
3.1. connecting people with each other
3.1.1. non face-to-face communication
3.1.2. chatbox
3.2. reporting the news (immediate update)
3.3. promoting products
3.4. building a brand image
3.5. organize activities
3.5.1. eg. facebook upcoming event