Irish Examiner view: The best ancient advice in the world

Influencer marketing is an activity which was barely known a decade ago and its impact was accelerated by the explosive growth of social media.
You don’t need a whole slew of professional qualifications to be an influencer.
A certain native charm is helpful; good looks can always go down well with the easily-impressed; a way with words is an obvious advantage as is the ability to put together a convincing video roll.