We're protecting the internet from spammers. We're asking you to confirm that you're not an automated computer program used by a spammer to send spam.
If we didn't do this, a spammer's computer program might be able to use our form to send spam to you and other people.
People are smarter than computers, so, we're asking you to enter the text you see in the image because a computer program probably can't do that.
By entering the text you see, you're helping our server confirm that you're a real human being and not an automated computer program.