You don't need to know there email password to email them.
pulse@nintendopower.com
i think its nintendo@nintendo.com
just use the url to put your email adress on the internet.
Go to your countries' Nintendo website and you'll find an email them to contact by.
Go here: http://www.Nintendo.com/consumer/webform.jsp There you can e-mail Nintendo.
nintendoweek@nintendo.noa.com
go to your yahoo
just use the url to put your email adress on the internet.
The email is written in the pulse column, on the second page.
sign up with club Nintendo maybe somehow you can contact them from there
When a company wants to advertise their product they often composed an email and then group send them to their email lists. People who received the email may be attracted to the product and buy it.