The methods also change over time as Internet usage changes and new techniques evolve.

Late in the 20th century, store and forward techniques evolved into packet switching which replaced it for most purposes.

The technique has since evolved to include many other applications.

However, it was necessary to adapt to the particular music being played, so new technique and greater musicianship evolved.

It is more flexible than a standard, since techniques and tools are continually evolving.

This technique, first demonstrated in the 1970s from an army airborne system, has evolved considerably.

And as the fish's popularity grew, techniques for preparing it evolved rapidly.

The tools and techniques of undersea warfare are constantly evolving.

The techniques for producing transgenic animals are less than a decade old and still evolving.

All medical techniques evolve over time and hair restoration is no exception.