SAN DIEGO--Trade shows like the CTIA MobileCon show here are routinely used as the launching pad for a variety of new, innovative smartphones and accessories. Vendors typically hope to cash in on attendees' interest to generate enthusiasm for (and possibly sales of) their products. At this year's CTIA show, however, new smartphones were few and far between. Carriers and handset makers did introduce a handful of new phones, but the range of launches is nothing like the avalanche that has buried conference-goers in past years. What were the key devices from the show? Find out in this slideshow.