How to build a universe that doesn't fall apart two days later: http://downlode.org/Etext/how_to_build.html … Great speech from the best SF writer that ever lived
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
How to build a universe that doesn't fall apart two days later: http://downlode.org/Etext/how_to_build.html … Great speech from the best SF writer that ever lived
