disapproval If someone, especially a politician, jumps or climbs on the bandwagon, they become involved in an activity or movement because it is fashionable or likely to succeed and not because they are really interested in it. Many farms are jumping on the bandwagon and advertising organically grown food
You can refer to an activity or movement that has suddenly become fashionable or popular as a bandwagon. So what is really happening as the information bandwagon starts to roll? the environmental bandwagon