Attention grabbers: Keeping it brief with social video

Key questions right now in the world of PR content creation include ‘How often should I distribute video online?’ and ‘What length should my online videos be to optimise engagement?’.
It has almost become a millennial's version of asking how long you should wait before contacting someone after a date. Do you keep 'em keen by not WhatsApping until a couple of days later, do you send a cheeky text the next day or have you got an Instagram photo up before your date has even