Hi Javi! I shall help you with this matter: ''It is an indisputable fact that email has made communication much faster and simpler than ever before. Therefore, it has brought about (or 'brought to pass') many changes in commerce and business fields. For instance, recent research has shown that, due to globalization, multi-national corporations function all over the world. Although these companies are located in different places, they are able to (or 'can') share information with each other. Hope that helps!

Try put your first idea in the begging of sentence instead use "it", i saw this tip in other post in Italki. ps: The email........, It's ...... .