Should PR copy advertisers’ ‘six-second’ messages?

Just how short can a message be before it loses meaning?
A recent piece in Adweek titledWhy Brands and Agencies Are Preparing for the Era of 6-Second Ads, predicts that these “snackable” ads will begin to come into their own, if
not by the end of this year, then by 2018. This is proven by the NFL using
6-second spots during this season’s games on Fox. Advocates argue the
bite-sized videos are ideal for attracting Millennials and Gen Z, who, at
least stereotypically, have littl