IBM Watson, apparently not content with its Jeopardy winnings, is looking for work. After a lot of buildup, Watson Analytics, the natural language business intelligence tool based on Big Blue’s famed AI, is now available in beta under a freemium model where it’s free to get started, but the really powerful analytics are going to cost you. That “natural language” part is the key to how IBM sees Watson Analytics differentiating itself in a crowded cloud-delivered BI market defined by startups and big players like Birst, Anaplan, Tidemark, Salesforce Wave and Microsoft.