It is easy to use, it has many features including ability for email campaigns that allows you control over how your contacts are notified of changes in status or new activity with them at any time! We have been able make sure we keep our customers up date by sending emails periodically via their damn list - no need anymore using other applications such as Mailchimp where costs can add up quickly when running large mailing lists so this product helps us maintain good relationship between ourselves & clients while keeping all parties happy.