Inventory sold at the right price, never twice.

Example mock-up: the software of Médiavelle, a fictional advertising sales house. Media plan for the South-West sector from week 36 — seven display faces as rows, 12 weeks as columns; every cell is sold, on option or free, the advertiser's name runs across the weeks it holds and the sold rate sits under each column. On the right, the selected face “Gare Nord — quai A”: backlit 2 m² bus shelter, 175 × 118 cm, 32,400 contacts a day, €1,240 a week, sold nine weeks out of twelve, and its next three campaigns — Malestre on air, Valmore approved, Orvenn still on option.