Looks like everyone is crossing milestones in 2010. Another one of our favorite apps Dropbox has now crossed more than 4 million users worldwide. For those who are not sure about Dropbox, it is one of the simplest way to backup, sync and share your files online.
According to the Dropbox blog, almost 33% of Dropbox users are from US followed by around 7% from UK and 6.5% from Germany. In operating system, Windows OS is used by bulk of users with 66% share, followed by 21% Mac and 2% Linux users.
Dropbox is definitely a good way to sync, backup and share files, we have told you about several tutorials for using Dropbox in the past, if you are one of the 4 million users or are planning to become one, here are some useful resources you could use.