Biology is inherently, inescapably noisy. Why identical twins aren’t identical. http://www.slate.com/articles/health_and_science/science/2014/09/random_noise_in_biology_why_genetically_identical_twins_aren_t_identical.html?wpsrc=sh_all_tab_tw_ru …
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