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.
The four-year-old company, which offers a smartphone app that is popular with teens, declined Facebook's (FB, Tech30) $3 billion acquisition offer in 2013. Spiegel said he was not interested in entertaining any more takeover offers, maintaining that he wanted Snapchat to remain independent.