All of the above, and more! It varies by who you are talking about and when. And specific techs brought their own issues (e.g., the gas centrifuge had a lot of complicated things going on w/economics, politics, security, ex-Soviet Germans, etc.)
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
All of the above, and more! It varies by who you are talking about and when. And specific techs brought their own issues (e.g., the gas centrifuge had a lot of complicated things going on w/economics, politics, security, ex-Soviet Germans, etc.)