Note how CBC refers to smart criticisms by Native Canadians of racism as "hijacking" a hashtag:http://www.cbc.ca/news/aboriginal/sir-john-a-macdonald-birthday-celebrations-set-off-twitter-debate-1.2493130?cmp=rss …
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