KEY POINTS
  • Investors Jana Partners and Roger McNamee, and virtual reality engineer Jaron Lanier have been prominent voices of caution around the perils of addictive technology.
  • Consumer hardware guru Tony Fadell, a former executive of both Alphabet and Apple, has added his opinion to the mix.
  • From an engineering perspective, it should be "easy" to build tools to measure digital addiction, he said.

Consumer hardware guru Tony Fadell is doubling down on his call for tech companies to provide better tools to manage digital addiction.

"Apple is at the core of this, and so is Google," Fadell said to CNBC's "Squawk Alley" on Thursday. "They should be able to give us back a 'day in the life' of the user."