Jack Dorsey Francisco with sweeping views of the Golden Gate, Marin Headlands and Pacific Ocean. He walks five miles to work each morning and calls it a "very clearing time". He is a fan of Kendrick Lamar's music and of French radio station FIP. Jack Dorsey Jack Patrick Dorsey (born November 19, 1976) is an American computer programmer and Internet entrepreneur who is co-founder and CEO of Twitter, and founder and CEO of Square, a mobile payments company. Dorsey was born and raised in St. Louis, Missouri, the son of Marcia (née Smith) and Tim Dorsey. He is of English, Irish and
Social media use by businesses Social media use by businesses Social media use by businesses includes a range of applications. Although social media accessed via desktop computers offer a variety of opportunities for companies in a wide range of business sectors, mobile social media, which users can access when they are "on the go" via tablet computers or smartphones, benefit companies because of the location- and time-sensitive awareness of their users. Mobile social media tools can be used for marketing research, communication, sales promotions/discounts, informal employee learning/organizational development, relationship development/loyalty programs, and e-commerce. E-commerce businesses may refer to social media as consumer-generated media (CGM). A