Everything I've tested.

Record-breaking launch sales that fizzled, with a forced bundle on Xbox One, rated 5 out of 10 fail.

Condescending house-based desktop that made everything slower, 3 out of 10 fail.

More cores with weaker performance per core led to a lawsuit, though AMD has since bounced back, 4 out of 10 fail.

Clever circular video idea, but the vending-machine-only launch killed the hype, so a 3 out of 10 fail.

He loves games but sees Apple Arcade as a missed opportunity because it lacks console-quality titles.

A working Bluetooth speaker with a hidden live-stream camera, switched on using a mode switch marked V.

A voice-activated teddy bear with a microphone stitched into its neck, which looks completely innocent.

An air freshener that still works as one but hides a pinhole camera triggered by motion or a magnet.

Glasses that record 1080p first-person video with the camera tinted to blend into the frame.

A car key lookalike that records audio within a seven metre radius, with its controls hidden under a sticker.

Shows how a tiny keylogger between keyboard and computer can silently capture passwords and bank details.

A basic radio wave detector that spikes as you approach a hidden camera, useful for being sure.

Xiaomi's agent was friendly and solved the problem quickly, earning 4.5 out of 5.

Apple's support had a long wait and needed account details, though staff were friendly once he got through, so 2.5 stars.

Samsung's support sent him round in a loop and hung up on him, but a second agent got to the answer, so he gave three stars overall.

Huawei's support was fast and to the point, and he scored it 4.5 out of 5.

OPPO's agent overcomplicated a simple problem but stuck with him to a solution, earning 3.5 stars.

Vivo would not handle technical problems over the phone and could only promise an email, so he gave one star.

BlackBerry demanded an IMEI and then a paid support fee, so he got no answer and no stars.

A stick of plastic that he thinks is among the simplest, cheapest products ever made, yet sold at extortionate prices.

Historic orgone-style pendant whose circuit board was not actually connected to anything, with a disclaimer slip added later.

Calls it a scam: a block of resin with a plug and nothing inside, sold for $180 on fake science.

A pile of metal poles and plastic sold as a 5G fighter, which he says will not solve anyone's problems.

Another product from the scam range, claimed to be 100% effective against 5G with nothing to back it up.