is a warning of potential nastiness . A new app will tell users whether incoming messages are positive or negative . ` ` ' @ Work '' is an Android app by a team at England 's University of Warwick . It uses color codes and works on Facebook , Twitter and for text messages . It 's not yet available on the market but will be presented at a conference in September .
A new app will tell users whether incoming messages are positive or negative . ` ` ' @ Work '' is an Android app by a team at England 's University of Warwick . It uses color codes and works on Facebook , Twitter and for text messages . It 's not yet available on the market but will be presented at a conference in September .