never often How often do you use instant messaging programs? How often do you use file sharing programs? easy difficult How did you find navigating through the software? How easy and user-friendly did you find the interface? How did you find accessing the system, including creating an account and logging in to the system? How easy did you find using the following functions:     - Adding friends     - Chatting with friends     - Searching for files     - Sharing your local files     - Notification easier harder How would you compare this software with other existing instant messaging programs, e.g. msn, yahoo messenger and others? How would you compare this software with other existing file sharing programs, e.g. Bittorrent, eMule and others? What additional functions and features would you like to add to this software? Did you experience any difficulties or errors while using the software? General feedback