Business | The cookie crumbles

A new type of ad is heading for your iPhone

Stricter privacy rules send digital advertisers back to the drawing board

ONLINE SHOPPERS often feel they are being watched. Put an item in your basket but fail to buy it, and it may follow you plaintively around the internet for days. Announce your engagement on social media and you will be hit with adverts for the honeymoon. As you turn 40, expect the attention of elasticated-trouser merchants.

This article appeared in the Business section of the print edition under the headline “Flying blind”

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