Big Data has emerged as a $100 billion market, and it's growing at 10% a year, according to published reports. As a result, CIOs are now finding themselves under the gun to improve the ways in which they help their business colleagues mine and analyze this abundance of information. Demand for IT workers who excel within this technology niche is expected to surge, as organizations seek to maximize the value of data assets to best serve business-focused strategies. With this in mind, Modis -- is a global provider of IT staffing and recruiting -- has assembled the following list of "Top Five" cities in which Big Data talent is thriving. The criterion is primarily based upon the wealth of industries contained within these regions, which are particularly dependent upon this kind of expertise. If you're not already recruiting your big data talent from these areas, you probably should consider adding them to your geographic targets. As a bonus, Modis has also come up with four in-demand Big Data skills that will best support your company, which we're also including here.