Which is an electronic medium of having conversations and discussions?

I can see that there are no choices.

Electronic mediums used for conversations and discussions may come in the form of social networking sites, instant messaging applications, group mail discussions, etc.

Explanation:

With the busy life of people these days, it becomes important to make communications fast and easy. This is where the electronic mediums come into play. It becomes an opportunity for people to connect with each other and learn at the comfort of their own home or space. It also allows people to see many things happening in the world, thus leading to a more open-mind.

Examples of electronic mediums are social networking sites like "F.acebook" and instant messaging applications like "Line" or "F.acebook Messenger." Group mail discussion is also possible with applications like Listservs which allows a person to send one email to many recipients. This then allows further discussion about the topic in a group.

the second awnser

explanation:

because it is for complex problems