????9. 谷歌

????? 2013年研發支出：80億美元

????? 占收入的百分比：13.2%

????這家總部位于美國加州山景城的互聯網公司以從事異想天開的研發項目而著稱。谷歌投資的技術看似稀奇古怪，比如自動駕駛汽車、谷歌眼鏡和Wi-Fi氣球。最新年報顯示，該公司研發部門約有1.86萬名員工，大多數研發資金都用于人員配置和為個人提供支持。這份年報稱：“我們的產品開發哲學是盡早、頻繁地推出創新產品，然后通過快速迭代讓這些產品更加完善。”

????9. Google

????? R&D spending in 2013: $8 billion

????? As a percentage of revenue: 13.2%

????Known for pursuing moonshot R&D projects, the Mountain View, Calif.-based Internet company has invested in seemingly outlandish technologies such as self-driving cars, computer eyewear and balloon-distributed Wi-Fi. The company employs about 18,600 people in research and development according to its latest annual report, and most of its R&D costs go into staffing and personnel support. According to Google's annual report, "our product development philosophy is to launch innovative products early and often, and then iterate rapidly to make those products even better."