ThewidespreadpresenceofWi-Fi®indevicesandthegrowingdemandforproximity-basedpersonalizedservicespresentanopportunityforbothtechnicalandbusinessinnovation.Contextualawarenessmakesmobiledevicesevenmoreusefulbyenablingnewpersonalizedapplicationsthatscansurroundingstoanticipateactionsandad