Old School an New Wave

So old school tattoos obviously have been around for a long time and are still  a very popular style to get tattooed.  New wave tattoos like biotechnical, graffiti and abstract art.  Are the hot new trend but for how long before the new style or craze is in.  And will people regret the tattoos as they get older being that the grow out of the style.  While as an old school style you tend to grow into as you age and mature .Comment on this and let's us hear your feedback