Facebook and Google are battling over who will be our gateway to the rest of the Internet through 'like' buttons and universal logins - giving them huge power over our online identities and activities.
I see Baccarat in major gateway cities like Paris, Tokyo, Shanghai and Hong Kong and exotic resort locations.
If 'Buffy' the movie was the true love of my childhood, 'Buffy' the series quickly became the true love of my teenage years. It was everything I'd ever wanted in a show and more. 'Buffy' quickly became an obsession, and, shortly thereafter, became my gateway into an incredible, insane, indescribably wonderful new world: shared media fandom.
Caffeine. The gateway drug.
I get letters from college kids who have read Percy Jackson when they were younger who tell me, 'I just passed my Classics exam.' The books are accurate enough that they can serve as a gateway to Homer and Virgil.