How is it even possible for 'human error' to be a factor in a roller coaster crash? Redundancy systems, anyone..?https://twitter.com/HuffPostUK/status/669141692335935488 …
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 is it even possible for 'human error' to be a factor in a roller coaster crash? Redundancy systems, anyone..?https://twitter.com/HuffPostUK/status/669141692335935488 …