Check the hub of that person you want to contact. On the hubpage you'll have to look up right and find where the statement 'contact micadeolu' is situated. Click on the text. It will open a dialogue box which will allow you to write and send message to the owner of the hub. This message will go straight to the hubbers email and he will be able to see yours too on opening the email.
This way an interractive link is established between you and that person to exchange emails. You like that?