구글+의 기술이 공개된 것들을 사용했다고 합니다.

Google+ Is Built Using Tools You Can Use Too: Closure, Java Servlets, JavaScript, BigTable, Colossus, Quick Turnaround http://highscalability.com/blog/2011/7/12/google-is-built-using-tools-you-can-use-too-closure-java-ser.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+HighScalability+%28High+Scalability%29 뭐든 물어봐 서비스도 있군요. http://anyasq.com/79-im-a-technical-lead-on-the-google+-team