Social media isn't faster or more efficient than email though. In fact it might be slower due to the amount of clutter and ads encountered when using facebook. The comparison between phones and post doesn't really hold up.
What reality are you living in that Twitter is slower than email?
Since you have directed this in an uncivil course: In what reality do you live where "email is to twitter as postal mail is to telephone" is a true statement?
Less technical people will record a video, choose the share action to post it online, then all the people that are following will see it in their feed.