I have contacted WordPress Support twice within twelve days, using the form on the Support contact page. Absolutely no response from them, not even a computer-generated "we-got-your-question-we'll-get-back-to-you response.
Situation: I am creating a new blog. I want to add another administrator to the blog. (We'll both be maintaining it. She'll become sole administrator; I'll become the editor.)
She already is a member of WP. However, when I give her e-mail address on the "community--add a new user" form, I get another form that says she is NOT a member, and I must complete another form with more info.
I complete and submit the new "not a member" form. My colleague receives an e-mail invite to join WP. When she tries to accept it, she receives a reply that she already is a member. She is not granted access to the blog dashboard, and her e-mail address is NOT added to my list of users.
Bottom line: with no WP support response and our need to roll out this blog already, we are ready to hang up WP (despite rave reviews of WP) and go to Blogger instead.