Enterprise spending on Web 2.0 technologies will grow strongly over the next five years, reaching $4.6 billion globally by 2013, with social networking, mashups, and RSS capturing the greatest share. In all, the market for enterprise Web 2.0 tools will be defined by commoditization, eroding prices, and subsumption into other enterprise collaboration software over the next five years; it will eventually disappear into the fabric of the enterprise, despite the major impacts the technology will have on how businesses market their products and optimize their workforces.