There were doubts about being able to reverse engineer heavily-obfuscated applications written in Python. Researchers Dhiru Kholia and Przemyslaw Wegrzyn have removed all doubt by reverse engineering the immensely popular Dropbox client. The company has surpassed 100 million users, and over a billion files are uploaded to the service every day. Two years ago, Dropbox had 25 million users and 200 million files were added daily, and just over 200 million were added each day, according to CEO Drew Houston.”]