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
As I side note (which I really hesitate to even make, because it's entirely tangential to a good question), I don't think Java was ever that language. It had the backing of the biggest player in the dot-com boom, and was "the language of the future" almost from the get-go.
Siri, define the dot com boom: Java implementations on giant Sun hardware with 8 figures in consulting costs that could have been done in Perl by a team of 4. To be fair: Java was not ready for prime time so that hardware was required.
