Masayoshi Son, who is also CEO of a Japanese carrier, says the network quality in the US "is not something you should be proud of," and directly calls out his rivals.
The online-retailing giant insists the changes were meant to expand access for families.
Wii U sales are up as of March 31 compared to the prior year, as were software sales, Nintendo reported in its latest earnings release -- but the company is still in some trouble.
But Sprint finally ceded its position as the nation's third-largest wireless carrier as T-Mobile edged ahead of it on stronger growth.
Record-level investments are flowing into food delivery startups.
The Korean company reported its seventh straight profit decline in the second quarter and will cut pricing for the Galaxy S6 to attract more buyers.
The company's stock falls to an all-time low after last week's report of near-standstill user growth.
Warning that it faced a difficult market environment, the smartphone maker announces that it's "adjusting" the price of its flagship handsets.
Karpeles is accused of tampering with financial records to inflate his bank account by $1 million -- and a former employee has ended his silence over the Mt. Gox debacle.
Six years after founding the crowd-sourced invention platform, Ben Kaufman will no longer serve as Quirky's chief executive.