“Users of small or large platforms will be able to exchange messages, send files or make video calls across messaging apps, thus giving them more choices. With regard to the interoperability obligation for social networks, co-legislators agreed that such interoperability provisions will be considered in the future. ”
"The most interesting thing is without a doubt Google's holy grail: the algorithm that sorts searches and is the reason why they dominate web searches. Now, it is not the case that Google will have to reveal the algorithm to you and me, but they will have to explain to users and researchers how it works - we do not expect that the EU will not force Google to disclose copyrighted material. Large companies will also have to provide experts with information on how online risks change. ”
Sources: engadget.com