Twitter CEO Parag Agrawal's old pictures with his childhood friend Shreya Ghoshal and their Twitter exchange have resurfaced after the singer congratulated him on being appointed Twitter CEO. "Hey all!! Found another bachpan ka dost!! Foodie n traveller.. A Stanford scholar! Follow @paraga...It was his bday ystrday! Wish him pls," Shreya's tweet dated May 23, 2010, also resurfaced.