A killing rampage in Isla Vista, California fueled by hatred for females has prompted women to Tweet their own experiences of misogyny through the #YesAllWomen campaign.

Elliot Rodger, 22, killed six innocent people in Santa Barbara, California on Friday night because the girls he was attracted to did not respond favorably to his advances, according to The Washington Post.

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Women all over the world have used Rodger's violent act as a springboard to counter global sexism. Since the Friday shooting, more than a million tweets denouncing sexism and gender violence have been posted using the hashtag #YesAllWomen.

Rodger had left an online trail of self-pity, misogyny and hatred on various websites such as YouTube, BodyBuilding.com, and PUAHate.com. He even wrote a 141-page manifesto which he labeled "My Twisted World," Time Magazine detailed.

The young man had vowed to kill the beautiful blondes who had turned him down and he had ranted about this on online forums where some like-minded men have supported his hatred-filled remarks.

On Twitter, one mom said she had spent 19 years teaching her daughter how to avoid getting raped, but asked other women if they have also spent time teaching their son to not rape women.

Another woman complained how she was called fat, slutty and was threatened with rape, and was just advised to ignore all the bullying.

Although not all men are like Rodger, there are still millions who share the same views of women as he did, and they are everywhere. Sometimes, some women are unfortunate enough to have those kind of men as family members.

Rodger was the son of a film director. His racist and misogynistic rants were so bad that the Southern Poverty Law Center flagged some of his posts. In the long manifesto, he said the shooting wouldn't have happened if there was one pretty woman who responded to him.

Although Rodger may have been experienced a mental illness, his behavior also reflects a culture that objectifies women. The Centers for Disease Control and Prevention says almost one out of five American women report experiencing rape at some point in their life.

TagsElliot Rodger, Santa Barbara shooting