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... This prompts the obvious question: why the heck would you want an air fryer that connects to other devices?

The other categories of hardware that Which? looked at were smartwatches, smart speakers, and smart TVs.

Its analysis of smart speakers praised the Amazon Echo for offering the option to skip various requests to share data. However, an Amazon or Google account is needed to use the Echo Pop or Nest Mini, and while these have trackers that the researchers expected to see, users cannot selectively opt out of them.

Which? said that the Bose Home Portable speaker and app requested the fewest upfront phone permissions, but was found to be "stuffed with trackers," including Facebook, Google, and digital marketing firm Urbanairship.

For those masochists interested in a smartwatch, the researchers found that two available from Amazon " Kuzil and WeurGhy " are essentially the same product. These required privacy consent to operate, only functioning as a plain watch if consent is declined.

Huawei's Ultimate smartwatch also requires privacy consent to work properly, and requested no fewer than nine "risky" phone permissions. These are defined by Which? as those that confer intimate access to certain phone functions, including precise location, the ability to record audio, access to stored files, and an ability to see all other apps installed. ...