All of the pairs of decades going back to 1906 have been a bigger swing than than 2006-26. This century seems on track to be a bit more like the 19th, in terms of social change.

Edit: Although, Those platforms were all brand new, and Reddit didn’t really take off at all until Digg died years later. The basic ideas existed, but they weren’t a part of everyday life yet.

Politics has shifted way more on this side of 2006, as well.