Logo Design, Part 2

The second part of Mashable's three-part series on logo design is here. Lost? Catch up here.

While every brand obviously needs a logo that speaks to contemporary aesthetics, not all trends are good — in fact, once a trend becomes just so overused, watching it pop up again and again in new company logos can be downright painful.

How often do you see logos that mirror Harley-Davidson's? Great design, but overused, right?