generated at
fad
ファッド
bandwagon effect
Coolhunting
Crowd psychology
Google Trends
Market trend
Memetics
Peer pressure
Retro style
social mania
15 minutes of fame
Viral phenomenon
Bellwether (1996 novel)

googlefad
image fad
define fad
wikipedia fad
weblio fad
kotobank fad
jisho fad