This one is described as a macro virus, due to the fact that it’s not a standalone program - needing another program to be triggered - in this case, through Microsoft Word. In March of 1999, David L. Smith would introduce this virus to the internet. The macro virus itself, however, was written by Kwyjibo, aka VicodinES or ALT-F11. This virus was responsible for millions of dollars in damage due to the disruptive influence it had over so many networks. Infected computers would send out emails in mass to anyone in the local PC's email system. The original version came under an email titled "Important Message From... (fill in the blank)", and had managed to infect thousands of computers - including those within government agencies. Although the virus would be minuscule today, in 1999, it had a drastic impact on computers worldwide.