Type of malware that is spread when you distribute

Trojans, normal viruses, etc. Anything can and could hop on to the files you send depending on the websites and if you don't have a firewall.

About. com that changed its name recently to dotdash is basically a subject directory. It is a colection of blogs articles about various general intrests of writers. Most of the information it contains is not vetted and thus does not qualify as reference point.