Social Psychology Key Figures. 1  Allport (1920) â Social Facilitation. 2  Bandura (1963) Social Learning Theory. 3  Festinger (1950) â Cognitive Dissonance. 4  Tajfel (1971) â Social Identity Theory. 5  Weiner (1986) â Attribution theory. 6  Milgram (1963) â Shock Experiment. 7  Haney, Banks, Zimbardo (1973) â Prison Study.
Founded in 2012 by two Stanford students, Snap is the Los Angeles-based technology and social media company behind messaging app Snapchat.
Here are the highlights: 1  Snapchat will appear on the New York Stock Exchange (NYSE) under the ticker symbol âSNAP.â. 2  The company wants to raise $3.0 billion from this IPO. 3  Between 2015 and 2016, revenues increased 589%, from $58.7 million to $404.5 million.  Net losses grew 38% from $372.0 million to $514.0 million.