PortalTone has been established in 2004 with 'Click to Call' patent and WW 1st commercial service with Yahoo! Korea, which is ... succeeded on Naver maps now in Korea. We've also made commerce SEM platform for eBay Korea/HK/SG and Yahoo! Japan, as well as mobile LBS messaging ad for SK Telecom. Leveraging advanced Korean broadband internet infrastructure, we develop next generation ad funded business model and solutions and distribute them in the world. Cheil WW, an advertising subsidiary of Samsung Group invested us $3M in 2009 and we're supposed to get an additional investment from the largest portal in Japan. read more