Upgraded from the 4 y.o. ThinkPad to an 11" MacBook Air. Highly recommended, esp. for tiny screens: http://irradiatedsoftware.com/sizeup/
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
Upgraded from the 4 y.o. ThinkPad to an 11" MacBook Air. Highly recommended, esp. for tiny screens: http://irradiatedsoftware.com/sizeup/