How Woolworths, Loblaws, and other retailers are developing digital advertising arms and profiling customers, aiming to become ad venues for large brands (Alistair Gray/Financial Times)

Alistair Gray / Financial Times:
How Woolworths, Loblaws, and other retailers are developing digital advertising arms and profiling customers, aiming to become ad venues for large brands  —  They're barely noticeable, but promoted items on digital sales platforms are at the vanguard of an industry worth tens of billions of dollars