"Some see the technology as a potential new channel for targeted promotions or advertising." A fair amount of the article is devoted to the potential for adver

"Some see the technology as a potential new channel for targeted promotions or advertising." A fair amount of the article is devoted to the potential for advertising, tracking and 'user experience' - which often equates to 'we will encourage you to buy something'. I hope this feature has an 'off' switch or a set of granular user preferences.