New technology recently launched by the Japanese electronics giant, and its current research and development, point to a future where physical handsets may be redundant.
"Miniaturised projectors displaying interactive phones or computers could be built into any object, from a necklace to a watch."
While Hirai did not reveal what Sony had in mind beyond the current range of devices, Sony unveiled a new initiative dubbed IoT BIZ.
It is focused on the Internet of Things, the buzz phrase for networked devices and objects - such as fridges - that automatically send and receive data.
The initial focus of the Sony division will be on healthcare and smart home solutions, using technology such as the image-recognition and voice-assistance capabilities of devices like the Agent.
The Xperia Agent is confirmed to have PicoP inside.
