Junk mail received:

Develcon: free pocket knife! (full color foldout card) LAN something or other
Penril Datability Networks: Penril modem give away! Will a balloon flight! 
(boring, two color card) "networks"
Zenith: Win a VCR! (homemade looking three color card with typos ("strategys")
WAN via CATV, misc WAN
Frontier Technology: Win a CD player! (drab red ink on faux textured paper)
TCP/NFS for Windows
Reflection: Scratch, match and win! (their software) (Tasteful full color one
side, BW with scratch-off pad on other) PC X, TCP/IP, etc
Network General: Free demo disk! (klunky four-color odd-size bulk mail) network
analysis software
Telenex Corp: Free VR trip! (three color odd size bulk mail) LAN port switcher
Grand Junction Networks: Win aerial combat mission (real combat planes)! (full
color aero photo, 2 color reverse) LAN software. A "what Network Operating
System do yuo use" doesn't list TCP/IP. Odd.
TechKNOWLOGY: Free $129 lobster dinner! (full color, four fold, gloss paper
with additional card) Document imaging systems
Andrew Corp: Free demo diskette! (garish yellow, purple, red, white fake
"ticket") Token ring stuff
American Power conversion (free road atlas!) (standard BW business reply card)
UPS, surge protectors, etc