That's one possibility -- to misinform or give incorrect instructions. This may be more of a risk with this type of content than your run-of-the-mill personal b

That's one possibility -- to misinform or give incorrect instructions. This may be more of a risk with this type of content than your run-of-the-mill personal blog. A more frequent one is injection of ads or tracking scripts, or 'web accelerators' that recompress images. Certain ISPs have been known to do these.