lost its COO, Adam Bain "Twitter COO Adam Bain to Leave the Company" kicaunya di Twitter "Twitter COO Adam Bain to Leave the Company" "Twitter COO Adam Bain to Leave the Company" Twitter COO Adam Bain to Leave the Company "Twitter COO Adam Bain to Leave the Company" "Twitter COO Adam Bain to Leave the Company" Adam Bain leaves Twitter many "Twitter COO Adam Bain to Leave the Company"