Sometimes I think software interface design has improved a lot. Other times, I use research software (SPSS, NVivo, etc).
I have no idea what NVivo is but I used to teach SPSS to students and it was painful. 
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
I have no idea what NVivo is but I used to teach SPSS to students and it was painful. 