Twitter moves to deaden impact of false and misleading tweets ahead of Election Day

Twitter is rolling out a series of changes ahead of the US election next month in an attempt to clamp down on the spread of misinformation.

This is a companion discussion topic for the original entry at http://rss.cnn.com/~r/rss/cnn_tech/~3/oR7_ayvwQ8U/index.html

How can we be sure they define misinformation correctly?

If we had competitors to Twitter, we could have different definitions of what exactly is misinformation.