It Was The Age Of Acronyms
Floppy: America Online, Version 3.0 (1996).
Bookmark: Office Depot promotion for The Complete Idiot's Guide To DOS (Jennifer Flynn, 1993), and The Complete Idiot's Guide to PCs (Joe Kraynak, 1993).
Pin: DOOM.
Cutout: Promotional image from Buck Rogers: Matrix Cubed (SSI, 1992).
Sticker: aconfuseddragon, purchased from her shop.