What is the special feature of the view side by side command?

As computers and other digital devices have become essential to business and commerce, they have also increasingly become a target for attacks. in order for a company or an individual to use a computing device with confidence, they must first be assured that the device is not compromised in any way and that all communications will be secure

No, you just need to see your messages  within 24hrs, our the msg is gone. and you need to screenshot it if it's important.