Social Media Agency creates the ‘world’s longest hashtag’ for A&W Cornett IMS’ hashtag for the hand-breaded Chicken Tender Texas Toast sandwich is 164 characters too long to tweet. By Kevin Allen@kevin_j_allenApril 25, 2014 SHARE Ragan Insider Premium Content To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.