The fourth generation features the return of clickable track and volume controls from the first two generations.

The first generation of 102s and 202s featured the circular base, referred to as the B1 mount, inherited from the candlestick telephone.

The third generation featured a coefficient of drag of .32.

The sixth generation and later models feature large changes to the marker core and body to accept a working 18-round magazine.

The sixth generation featured updated styling although less radical than previous redesigns.

This generation of synthesizers often featured six or eight voice polyphony.

The Multijet second generation features a common-rail design and is available with five different power outputs.

The new generation of engines used on these bikes featured dual-overhead cams and four-valves-per-cylinder.

The second generation of the show featured interactive segments such as "Say What?"

The third generation of GM's full-size pickup line featured a design improvement that saw some criticism long after the model run ended.