From WhatsApp to Alexa : why the ad-free era is over https://www.theguardian.com/technology/2019/jan/19/from-whatsapp-to-alexa-why-the-ad-free-era-is-over Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to print (Opens in new window) Print Related