Sam's Cell Phone
Sam owned a Palm Treo 650. It is a compact mobile phone with email, an organizer, messaging, and web access. There's also an MP3 player and a digital camera that captures video. He uses it to take photos of the symbols on the wall of the Hell House and to retrieve and send emails. His email address is firstname.lastname@example.org.
He also owned a Motorola Q8. He uses it in 2.18 Hollywood Babylon to see ghosts not visible to the naked eye.
As of 6.16 ...And Then There Were None, Sam owns a Blackberry Tour 9630. Dean is in his contact list as "D." Other names in his contact list are Andrei A, Anya Gadson, Bobby, Brad, Chris Cooper, and Christian.