Did You Know 2.0 and 4.0

Did you know 2.0 and 4.0 are two excellent videos that summarize the social media and other technological advancements in the past few years and give us hints as to what we can expect in future. I suggest you watch 2.0 first and then 4.0.

Did you know 2.0 was created in June 2007 by Karl Fisch and Scott McLeod.

Did You Know 4.0 was created recently