The concept came with a child¡¯s question, on a busy train careening through picturesque Vienna: ¡°Siri, do you have a mummy?¡±

As Emil Jimenez, founder and CEO of , watched his young daughter interact with Apple¡¯s digital assistant device, he was gripped.

¡°Imagine this moment: Everyone around us just stops what they¡¯re doing ¡ª and seeing this little 4-year-old have a conversation with Siri,¡± he says, as we speak by video call.