Flyers, Flatsheets, Brochures, Catalogues & Booklets
Well presented tactile product information still gets a person more personal with you and your product.
It gives people something to do - flip through your great products.
The alternative is, a potential customer thinking in the back of their mind, "if I ever need that I'll just search it online and find it then". Sound like anyone you know?
Do you have bookmarks in your browser you swore you'd return to but "meh, they'll still be there later"... The internet is becoming more like an un-ending tv commercial that you can change channels on than a rich environment.