Complex sentence: Copybook is among the world's leaders in online business-to-business media, providing news and information in a variety of different industries, which have a global bearing on all of the important issues affecting the world today.
Split into simpler sentences: Copybook is among the world's leading online business-to-business media, providing news and information in a variety of different industries. These industries have a global bearing on all of the important issues affecting the world today.