Google has so far acquired over 200 companies, i.e. more than one company per week on average. Many of Google’s products originated from these acquisitions. For example, Google’s acquisition of voice-over IP company GrandCentral led to Google Voice. Then there are companies that are acquired to expand enterprise. For example, when it bought Apigee Corp for $625 million last year to increase its cloud-based offerings for businesses. While the web search engine giant will continue making news with their acquisitions, we have looked into the top 10 companies acquired by Google.