Have a podcast idea but no clue how to make it a reality? Check out PodPopuli, the first retail podcast storefront in the U.S., which opened in Old Town Scottsdale in January. “This is a place where people of all ages can learn to podcast, launch a podcast and even watch podcasts being created,” says founder Brian Howie, who hosts four pods of his own. PodPopuli offers recording, production, creative and distribution services.