BANGKOK THAILAND - JUNE 22, 2016 : Twitter is an online social networking and micro blogging service that enables users to send and read "tweets", limited to 140 characters. Shutterstock Image - BANGKOK THAILAND - JUNE 22, 2016 : Twitter is an online social networking and micro blogging service that enables users to send and read "tweets", limited to 140 characters. - ID: 440766652