Answer and Explanation:
Specifically the following cloud characteristics will aid company B in retaining it's customers:
First cloud services allows a broader network and larger storage facilities. With cloud technology Company Will be able to get their services on a goat of devices: smartphone, tablets, phablets, thereby increasing accessibility for company A's customers. Also there is greater storage facilities available with cloud services
Second third party cloud services could now become an option as company is able to utilize the services of big cloud services companies in providing it's software to company B clients. This would boost security for it's software as well as greater accessibility and service level.