The actress, who is...
In the clip, Paquin declares, "I'm Anna Paquin. I'm bisexual, and I give a damn."
She also urges viewers to: "Imagine going to work every day and not being able to share your life with your co-workers out of fear of being let go."
The online PSA has become such a hit, bosses at the website were forced to carry out maintenance after they were "overwhelmed by the enormous traffic".
New servers have now been added to wegiveadamn.org to allow more users to log on.