It’s too soon to tell, but the tides, they are a-changin’. Sales of cider were up 23 percent last year and big beer manufacturers are buying stakes in the emerging market, says David Flaherty, operations and bar manager at Hearth and Terroir Wine Bars and a blogger of all things alcoholic. And at least for one day the humble apple ruled the roost at the Astor Center. On Tuesday, artisanal cider makers put on Cider Salon–a preview of what’s to come at next month’s Cider Week. Check out Nancy Matsumoto’s post for highlights from Cider Salon and more on the artisanal cider movement.