Total mobile investment in Boston increased 44% from 2008 to 2009, reaching $1.49 billion. While venture capital funding decreased from $565 million to $339 million over that period, acquisitions increased dramatically from $473 million to $1.16 billion, driven by large acquisitions such as Airvana's $530 million acquisition. The number of Boston mobile startups receiving funding decreased from 45 in 2008 to 32 in 2009, consistent with declines seen across New England due to the economic climate. Applications and hardware companies were among the most prominent categories of startups receiving funding in 2009.