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.
Snapchat CEO Evan Spiegel did the right thing. (Jae C. Hong/Associated Press) Snapchatâs 23-year-old co-founder Evan Spiegel recently turned down a $3 billion offer from Facebook to buy his popular photo- and video-sharing app. Snapchat has no revenue, but Spiegel made the right move.