The Software App That I Would Use Would Be NumericalDataHelp.com ... I Use that all the time ... If you cant find it just search in Google or Firefox Numerical Data Help and then you should be able to find some help there ... I hope that this helped !!! If it did mark me brainiest 
        
             
        
        
        
Answer:
Customer Contact
Explanation:
Customer contact can be defined as the presence and availability of the customer not just in the system but also when a service is being created; it also refers to the work process that is involved in providing the service itself.
The most important dimension of customer contact is that it used in making decisions that enhances customer-organizational relationship.
 
        
             
        
        
        
Answer: iTunes and iCloud
Explanation: These 2 synchronization Apple devices use.