Hip Hop is energetic, youthful and current. Unlike the traditional or classical dances, it's not about observing the rules but breaking them.
Hip Hop is a broad term that encapsulates, Wacking, Popping, Locking, Breaking, Old School, Voguing and many other styles. Unlike traditional dances where the forms are fixed, new movement vocabulary and stunts are constantly being added into the definition of Hip Hop.
As such it evolves with time and it stays current. It is also appropriate for most events from birthdays to corporate events to carnivals.