Akshay Kumar was the most visible celebrity in TV ads in the January-June period. As per the latest data released by TAM Media, the share of ads featuring Kumar was pegged at eight per cent in the first half of the year. He was closely followed by Amitabh Bachchan with six per cent share of the ad volumes during this period. Other stars that made it to the top ten most visible stars in TV ads include Vidya Balan, Alia Bhatt, Ranveer Singh, Anushka Sharma, Ajay Devgn, Shah...