RESTON, Va.--(BUSINESS WIRE)--Siteworx, LLC, a leading digital experience agency, released its recent research report, “2015 State of Mobile Features and Functionality.” This is the third consecutive year Siteworx has conducted a consumer survey aimed at understanding the quality of mobile buying experiences during the 2014 holiday season. Survey highlights include: Mobile web sites on the resurgence – Data shows a 16% decrease in the number of people relying on mobile apps versus mobile sites.