Complex sentence: A tradition started in 1977, for showing off the member's activities and giving commercial parties an opportunity to demonstrate new products and sell equipment and software, was interrupted in 2010 because the commercial parties lost interest as internet was becoming their main sales platform.
Split into simpler sentences: A tradition started in 1977, for showing off the member's activities and giving commercial parties an opportunity to demonstrate new products and sell equipment and software. It was interrupted in 2010 because the commercial parties lost interest as internet was becoming their main sales platform.