Twitter co - founder David Gates is promoting his new business , Square , across North America . CNN 's Maggie Smith caught up with him in Toronto to hear his plans to upend commerce . Dorsey said he wants to make commerce frictionless , allowing businesses time to expand . It began with a credit card reader and has expanded to analytics ( Square Register ) and service where you can send cash over email ( Square Cash ) . His comments come as Twitter , which is valued at up to $ 11 billion , prepares to go public .
Twitter co - founder David Gates is promoting his new business , Square , across North America . CNN 's Maggie Smith caught up with him in Toronto to hear his plans to upend commerce . Dorsey said he wants to make commerce frictionless , allowing businesses time to expand . His comments come as Twitter , which is valued at up to $ 11 billion , prepares to go public .