Morning Update: Waitrose ad uses homegrown carrot to illustrate staff structure; the most effective ads of 2014; and Samsung ropes Obama into selfie brand campaign

This is our Morning Update, rounding up international media and marketing news from while you were sleeping.

The Guardian: UK supermarket Waitrose has released a TV ad that uses a tiny homegrown carrot to convey how its staff owned structure benefits customers.

Waitrose is to use a tiny homegrown carrot to convey how its staff-owned structure benefits customers in its latest advertising campaign.