IBM’s considerable footprint in the cloud computing space is growing larger. The company has announced an expansion of its ISV (independent software vendor) partner network; it has also launched a beta version of Bluehouse — a social networking and collaboration cloud service designed to connect people from different businesses. Big Blue took the opportunity of these two developments to define its rapidly growing cloud computing offerings to the market, which has watched almost in awe as the company has introduced initiative after initiative over the past several months.