LivingSocial is entering the appointment booking category and is testing the waters with the beauty sector. The company has rolled out FastBook from LivingSocial, where consumers can book and confirm a massage, facial or nail appointment the same day, or schedule up to two weeks in advance, with spas or salons that are near them.   Consumers choose a desired service, browse and compare prices, and then determine the merchant, time and date that best meets their needs, according to Living Social ...