Twitter co-founder Jack Dorsey said Tuesday he has turned over most operations at the high-flying company as he devotes more time to his other venture, mobile payments firm Square. Dorsey tweeted a link to his Tumblr blog noting that he has cut back on his role at Twitter after returning…
TORONTO (Reuters) – Ready to ditch your wallet, cash and credit cards? A mobile payment app lets users make purchases with their smartphone without taking the device out of their pocket or purse. Developed by electronic payment startup Square, the app called Card Case allows customers to pay for products and services at…