If you take a look at Google Trends (a tool that measures keyword search volumes) and compare Tumblr to a most generic term, like Blog, you will find out how insane are the popularity levels of Tumblr worldwide, check the screenshots below.
How The Search for “Tumblr” is doing Worldwide.
Though the unique visitors to Tumblr have somehow stay the same for the last few months, it seems that the search for “Tumblr” is increasing at amazing levels month by month, if they keep the same pace, before Christmas 2012 the best microblogging platform in the world will be more popular than the word “Blog”.
“The word “Tumblr” is already more popular in the US alone
To our surprise after we decided to verify how the search for “Tumblr” was doing in the United States alone, we found out in shock that the microblogging platform is already more popular than “Blog” in the searches.