Business Sonic Giving Away Free Root Beer Floats Today by Drea Knufken June 3, 2009, 10:33 am 410 Views +1Share Sonic is offering free root beer floats today between 8pm and midnight. Find out more here. Be sure to call your local Sonic to make sure they’re participating. +1Share sonicsonic drive insonic free root beer floatsonic free root beer floatssonic root beer float Written by Drea Knufken Currently, I create and execute content- and PR strategies for clients, including thought leadership and messaging. I also ghostwrite and produce press releases, white papers, case studies and other collateral.