Complex sentence: The technology has been used for interconnecting electronic devices since the 1950s in one form or another and is presently one of the most important interconnection technologies in use for the manufacture of many of today's most advanced electronic products.
Split into simpler sentences: The technology has been used for interconnecting electronic devices since the 1950s in one form or another. It is now one of the most important interconnection technologies in use for the manufacture of many of today's most advanced electronic products.