Bandwagon effect and snob effect

In all times a society has been influenced by different kind of beliefs, opinions, actions and trends. The pressure of society is hard to evaluate precisely. Actually it is huge and we could avoid it probably only living in a dark forest. Nowadays because of the development of social networks, technologies it is even easier to control the society by creating different kind of trends. The great example is politics. But the trends we can find in every sphere of our lives and usually we are the ones who create them or at least follow.