Three major types of companies are building<unk> s: * Carriers: Most national carriers developed an<unk> -like "Medicare connector" offering during the years between 2005 and 2010 to compete with the emerging success of<unk>  Medicare<unk> s that had entered the market. These connectors provided choice in the form of a number of plans from a single carrier, as opposed to the larger number of plans from several carriers available on the<unk> s. In the group market, numerous regional carriers have partnered with technology platforms to build<unk> s, and several of the large national carriers have also invested in their own technology. In 2014, Cigna launched a<unk>  for small employers. In 2011, United purchased Connextions, a technology services company in the healthcare industry. In 2011, WellPoint and two regional Blue Cross Blue Shield plans purchased a majority stake in Bloom Health, a startup<unk>  platform. And in 2014, Aetna bought bswift, an<unk>  technology company. * Benefit consultants: Four of the major benefit consultancies sponsor a<unk>  – Aon (called Aon Active Health<unk> , Buck Consultants/Xerox (recently spun off and now called Conduent), Mercer (called Mercer Marketplace 365), and Willis Towers Watson (called OneExchange). * Technology platforms: A range of technology vendors support<unk> s to varying degrees. While certain platforms simply provide the technology to run the data and interface of the<unk> , others go as far as contracting with carriers and providing a complete<unk>  solution directly to employers. Vendors include: Maestro Health, Bloom Health, Liazon, bswift, Array Health, Connextions, hCentive, HGS Colibrium, Benefitfocus, and ADP.
Private exchange
Source control 
Integrated delivery system
Bundled payment
Remote dispensing
Augmentative and alternative communication
Mentorship
Prospective payment system