How did Iloveyou virus spread throughout the wrold? How much was the damage?

The virus/worm/trojan that attach itself to an email and send it to every contact person in the infected computer. At that time computer illiteracy isnotoriously high that almost everyone would be tricked to open the email andrun the VBScript. Love bug Virus isconsidered one of the most spectacular virus outbreaks in cyberhistory. The virus is so destructive that it even Pentagon forcedto close its servers. More than $10 billion dollars are wiped off the globalmarket in the day when the virus wreaked havoc.

References:
https://www.rferl.org/a/1093872.html