The company on Thursday unveils a new "humanoid" robot named Pepper that can not only communicate with the user, but also read his or her emotions.
The Internet is run by a cable monopoly in Comcast and a wireless duopoly in Verizon and AT&T, Son says. He wants to shake things up.
Japanese telecom giant SoftBank has never sold a product from Sony's Xperia line of smartphones and tablets, so this would be a first.
But Yahoo Japan will still use the eAccess network to kick-start its own mobile Internet services.
Yahoo Japan, partly owned by SoftBank and Yahoo, plans to use the acquisition to launch its own mobile Internet service.
Masayoshi Son, who'll be pitching US policymakers Tuesday to consider a stronger wireless industry to vie with broadband, might need T-Mobile to achieve his ultimate goals.
SoftBank CEO Masayoshi Son will reportedly argue that having a strong third mobile carrier will help even the playing field for in-home broadband.
The comment comes as rumors suggest his subsidiary Sprint is eyeing a possible T-Mobile buyout.
With Alibaba's IPO making big winners of the Chinese e-commerce giant and Japan-based stakeholder SoftBank, what are the odds that one of them buys Yahoo?
Institutional Shareholder Services -- a consultant to mutual funds and other large investors -- says the deal would give Sprint the money it needs to buy spectrum. It remains mum on Dish Network's rival, preliminary offer.