Customers no longer buy from one channel.
The system must make all channels connected in real time.

Sell in store or online Instant update information

Combine orders in one system No need to manage many places

where to buy from is the same customer
If you have to open multiple screens
or waiting for a report, meaning the system is still too slow

should be seen immediately

should be controlled from a single point

should know immediately not at the end of the day