Hungry for free food and entertainment for your hump day lunch hour? Find it at 4th and Main today, thanks to the folks at Tulsa-based start-ups You Buy We Fly and Click and Eat Now. Look for nosh from Joe Momma's, Dog House, Bum Co. Barbeque and Lambrusco'z To Go, too, all available at $3 per plate. A total of 150 free lunches will be served. Through 1:30 p.m.