According to the document: - Approximately $1.4 billion has been invested in wireless technology companies in the current year, with investments declining each quarter. - Almost 70% ($995 million) of investments were made in US companies, with 73% of US investments going to companies located on the West Coast. - The top 20 investments comprised 43% ($624 million) of total funding, with Spinvox receiving the most at $100 million.