The tech aims to identify people’s irises and stop the rise of fake accounts and malicious scams.
The discussion is a sign the AI firm’s technology may be too critical for even the US government to do without.
The Paris prosecutor’s office told the BBC it had “taken note of the absence of the people summoned”.
A stellarator is difficult to build, but could it be the best way to make fusion energy work?
Ternus will take over running the technology giant in September as Cook steps up to become executive chairman.
How Ternus responds to challenges facing Apple will go a long way to deciding the tech giant’s future, writes Zoe Kleinman.
The popular messaging service told the BBC in a statement it “categorically denies Ofcom’s accusations”.
The firm will take data from the way employees work for its artificial intelligence models.
The creator of iconic series such as Fable says Masters of Albion will be the last game he makes.