The Bandwagon effect, also known as social proof or "cromo effect" and closely related to opportunism, is the observation that people often do and believe things because many other people do and believe the same things. The effect is often pejoratively called herding instinct, particularly when applied to adolescents.<sup class="noprint Template-Fact">
</sup>People tend to follow the crowd without examining the merits of a particular thing.
I still love you, though