Carl and Richard talk to Ronan Cremin about .mobi and Device Atlas. dotMobi was set up my major influential internet companies including Google and Microsoft to make mobile internet become real. Device Atlas is a subscription service for getting up-to-date lists of exactly what features work on what browser versions on each device. Ultimately the conversation comes around to the idea of whether building native apps for mobile devices versus building customized HTML for each of the devices is easier.