When Ms Teh Hsiao Wei's beloved dog Kopi died last year, she decided to commission a friend to paint a picture of him to remember him by.
She told her husband about the plan over a meal and thought that was the end of it. That was, until she started noticing advertisements popping up on her Facebook account two days later - strangely specific ads promoting painting services for deceased pets.
Already a subscriber? Log in
Get exclusive reports and insights with more than 500 subscriber-only articles every month
No contract
ST app access on 1 mobile device
All subscriber-only content on ST app and straitstimes.com
Easy access any time via ST app on 1 mobile device
E-paper with 2-week archive so you won't miss out on content that matters to you
Join ST's Telegram channel and get the latest breaking news delivered to you.
A version of this article appeared in the print edition of The Straits Times on May 22, 2019, with the headline Shhhh, your phone may be listening. Subscribe