Sean Aylmer speaks to Ben Walker, founder and CEO of Shopper. The company has had extraordinary growth in recent years, fuelled by the data and technology in their digital billboards.

Afternoon Report | ASX climbs on softer inflation data
05:00

Energy costs to fall; US-Iran peace deal teeters; weight-loss drug breakthrough
18:06

Q+A: Oil prices, old planes and airfare wars: inside Australia’s airlines
09:50