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The school has also introduced class breathing exercises, ear defenders and sensory gadgets which they believe help some children to concentrate.

Here police found a "treasure trove" of spying gadgets and equipment, including cameras hidden in ties, a camera hidden in a fake rock, and glasses containing recording equipment.

"My own grandchildren want for nothing, with their own phones and gadgets and loads of Lego," she said.

"Thanks to encrypted programme bookmarks, we got into the traitor's gadgets - mobile terminals, computers," Malyuk said in a video statement posted on the SBU website.

Concerns about personal privacy, election interference, exploitative labor practices and the toxic effects of social media scraped much of the sheen off the tech industry and its shiny gadgets, especially among Democrats.