By copy pasting the right to left override character at the very end of this post that looks like the image above, hidden codes will make all your type appear backwards (thanks tip of the day). Want to drive folks batty today in chat (IM, Twitter, IRC)? Just copy and paste that and start typing. Could be semi useful for spoilers in blog posts.

Also, I learned from this article that some middle eastern languages like Hebrew and Arabic are written in bidirectional text (right to left and left to right). ‫‬‭‮‪‫‬‭‫‬‭‮‪‫‬‭‮

‫‬‭‮‪‫‬‭‮҉Drive them crazy in chat with right to left chat.