Last moment booking apps like Hotel Tonight allow users to find last-minute reservations on hotels, restaurants, and packages using their location. Online travel agencies (OTAs) like Expedia take online bookings and offer competitive rates through technology and partnerships with travel providers. Search engine optimization (SEO) and search engine marketing (SEM) are strategies to increase visibility and traffic to a website through optimization of content and paid placements. Interactive campaigns use online and offline media like McDonald's interactive billboard game to directly engage consumers. Room Key is a hotel search engine that offers lowest rates, loyalty points, flexibility to change reservations, and user reviews to help travelers find accommodations.