how's that for logic. number 3. of condensation contrails in their wake but conspiracy theorists believe that these. are really chemicals which have been sprayed into the atmosphere. or even worse poison them. they say. 3 examples of conspiracy theories that remain popular. when it comes to communication the internet of us both opportunities and risks it allows us to exchange information quickly and easily everyone has a voice but in many bad forms no one checks the validity of the content that's called fact checking so the web is also full of misinformation online even the craziest concepts find an audience but why videos that spread the crudest