How many years were taken by Google to launch the beta version of Gmail after the official launch of its Alpha version?

Gmail is Goole's advertising-supported free webmail service and its Alpha version was launched on 1st April, 2004. And, the company took almost five years to launch its beta version, which was officially launched 7th July, 2009. It is a multilingual service, which is currently available in 57 languages, and was developed in Java and JavaSkript programming languages.

It took 5 years to launch beta version of Gmail after the launch of its Alpha version.

Google took 5 years and 4 months to launch the beta version of Gmail after the official launch of its Alpha version.