Phil loves to hear from his fans! The best way to reach him is by sending him a tweet, but he also accepts emails.
To contact Phil regarding a business or promotional opportunity, please send an email with the subject line: Business proposition from name/company.
Phil does not respond to private messages anywhere including YouTube/Facebook so please do not take it as a lack of response/ignorance if he do not get back to you via those means! He makes an honest effort to check his emails frequently.