I recently switched to Gmail. how do i automaticly make all emails got to gmail?

How do i make the emails go to my gmail when they are sent to my yahoo! email?
I recently switched to Gmail. how do i automaticly make all emails got to gmail?
Here's a link to a Yahoo! Mail Errors and Problems Reporting and Help Request Form:


http://help.yahoo.com/l/us/yahoo/mail/ya...





Here's a link to a Yahoo E-Mail Help Request Form:


http://help.yahoo.com/l/us/yahoo/mail/ya...