Jack Dorsey attempt to entice new users, since the number of tweets per day had dropped to about 300 million in January 2016 compared to about 500 million in September 2013 and its peak of 661 million in August 2014. On November 22, 2016, Dorsey was briefly suspended from his own Twitter user account with 3.9 million followers. After restoring the account, Dorsey tweeted the suspension was due to an "internal mistake". In February 2017, Dorsey and Executive Chairman Omid Kordestani matched a $530,000 donation to the American Civil Liberties Union (ACLU) raised by Twitter staffers. Their match brought the total donation
Evan James Williams to stonemason James and Elizabeth (née Lloyd) Williams. He attended Llanwenog Primary School, then Llandysul School, where he was a close friend of Evan Tom Davies and, like Davies, excelled in mathematics. From there Williams, at the age of 16, won a £55 scholarship to Swansea University where he studied physics and attained a first-class honours degree in 1923. From Swansea, Williams went into physics research at Manchester University's physics laboratories under Lawrence Bragg. At Manchester he attained a doctorate in physics in 1926 for his work with Bragg, studying X-rays in gases, then a second degree at the Cavendish