Despite the $47-56 million price tag, Bezos' lavish wedding to Lauren Sanchez cost him less than one percent of his net worth.

When all small talk dried up several days ago, during the colour-coded warm-up pre-lunch wedding-eve-eve game of rounders, meaning even childhood friends are simply standing in barren silence, flat champagne in one hand, thicket of dirty bamboo skewers in the other.