 This date is held as the "birth" of the Internet.1983 Blind signature

1983 Laser turntable

1984 LCD projector

1984 Pointing stick

1984 Polymerase chain reaction

1986 Atomic force microscope

1986 Stereolithography

1987 Digital Micromirror Device

1987 Perl

1988 Luggage (tilt-and-roll)

Tilt-and-roll luggage or wheeled luggage, is a variant of luggage for travelers which typically contains two-fixed wheels on one end and a telescoping handle on the opposite end for vertical movement.Tilt-and-roll luggage is pulled and thus eliminates a traveler from directly carrying his or her luggage.