As we are already using Google Apps, it is quite easy for our customers as well us in managing their accounts by way of Gmail which has all features that required with this type businesses applications like CRM/MRP etc within one app account itself! No more need go out from office or even meeting up other employees who will be handling your customer data so easily can access them at any time via gmail id's only without having hassle going outside!! Just give try once & you'll surely loveβ¦