The Internet allows computer users to connect to other computers and information to be shared easily,
wherever they may be across the world.
Instant messaging typically boosts communication and allows easy collaboration. In contrast to e-mails or phone, the parties know whether the peer is available.
On the other hand, people are not forced to reply immediately to incoming messages.
This way, communication via instant messaging can be less intrusive than communication via phone, which is partly a reason why instant messaging is becoming more and more important in corporate environments.
Moreover, we may do this with use of security, authentication and encryption technologies, depending on the requirements.