Businesses including Dairy Queen, Denny’s, Firehouse Subs, McDonald’s, Pizza Hut and others all have special offers to commemorate the first solar eclipse in the continental U.S. since 1979. MoonPie is running a special promotion where a someone posting a photo having fun today with the hashtag #MoonPieEclipse will win a year’s supply of – you guessed it – MoonPies.