Every advertiser on route-one, by all-time spend. The top three hold 20%, 10% and 5% of every billboard for as long as they stay there.
Every time a billboard is drawn, one advertiser wins it. Here is that draw, in full:
The three add up, which is the part that surprises people. Hold the top seat and spend this month and you draw from all three at once — so 20% is the floor for first place, not the ceiling. Expand any row above to see exactly where that advertiser’s number comes from.
Nobody yet. First board up takes the top spot. From $5.