Travel Web site HotelClub has launched a mobile site that encourages users to book from their handsets by offering mobile-only deals.

Carphone Warehouse has launched a mobile-optimized site that lets consumers review and buy handsets, tablets and accessories.

Progressive Insurance has introduced a mobile site that lets consumers get a quote and buy insurance for motorcycles, boats and RVs.

Spanish department store El Corte Ingles has rolled out a mobile-optimized commerce-enabled site that lets fashion-savvy consumers shop the latest trends.

Following the launch of its first mobile-optimized site in the fall, Sundance Catalog saw the number of orders placed through handsets increase by 2.1 times and mobile revenue increase by 2.4 times in the fourth-quarter of 2011.

Furniture, lighting and home accessories store Heal’s has introduced a mobile commerce-enabled site that lets consumers search, browse and buy from its inventory.

Adidas-owned Rockport.com’s traffic from mobile devices has grown 75.8 percent in the past year, proving that consumers are increasingly turning to their smartphones to browse and shop.

With more customers coming to its desktop site from mobile devices, Goodyear Tire & Rubber Co. has launched its first consumer-facing mobile site to make it easy for customers to shop for tires.

Despite mobile being everywhere you turn these days, with soaring usage and engagement rates, mobile advertising revenue continues to lag significantly behind desktop display. Why is there such a mismatch?

Bridal retailer David’s Bridal has rolled out a new mobile site that lets consumers browse and buy gowns while on the go.