Post on 16-Jan-2016
Social Image Bookmarking
Users curate collections of images on “boards”
Experienced very fast growth 1 million unique users in January 2011 12 million unique users in January 2012
FourSquare
Location-based services and sharing
Lets you “checkin” at stores, offices, monuments, airports, your girlfriend’s house, etc.
Example of larger location-sharing movement in social media
Facebook, Twitter allow checkins now
Twitter Background
Microblogging service Accessible over the web or mobile devices Users post 140-character “tweets” Follow the tweets of others
200 million active users About 40% only read content (no posts)
Profiling People and Relationships
What are more advanced ways to use social media data?
Understanding “hidden” traits of people and their relationships
What we can find out
Using information from Facebook or Twitter, researchers can accurately guess your Age Race Gender Sexual Orientation Socioeconomic Status Drug and alcohol use Religion and more
Results from one Study
Michal Kosinski, David Stillwell, and Thore Graepel. 2013. Private traits and attributes are predictable from digital records of human behavior. Proceedings of the National Academies of Sciences.