Social networking advertising offers the benefit of using personal connections and dialogues to promote businesses. Some of the most effective marketing providers are twitter, facebook and myspace, although there are a multitude of additional networking websites that can also be used in order to spread a viral marketing message through a number of people. An excellent illustration of a successful marketing strategy was a sale run by a major retailer on the specific date, in which the company offered sandals for the price of $1/pair.