Microsoft Dynamics CRM Online and on-premises contains series of changes for the 2015 launch for example it can:

Create product families: Boost selling effectiveness with the ability to bundle products

Use sales hierarchies: Manage and report on your sales data in a way that maps to your business.

Mobile sales improvements: Increase field sales productivity with flexible, role tailored dashboards and analytics, personalized home pages and the ability to navigate by hierarchy.

Access CRM records on the go via voice commands: Cortana is now part of Microsoft Dynamics CRM! For customers with Windows Phone 8.1, you can now use conversational voice commands to seamlessly create follow-up appointments, tasks, and phone calls; quickly find information; view your customer lists; and more.

Enhanced sales processes: Guide sellers toward desired outcomes with enhanced branching logic within your sales processes.

Expanded case management functionality: Enable agents to provide differentiated levels of support with flexible Service Level Agreements (SLAs).

Microsoft Social Listening availability for Microsoft Dynamics CRM Online customers: With a minimum of 10 Professional users, you automatically have access to Social Listening as part of your subscription at no additional charge.

Microsoft Social Listening for on-premises CRM customers: You can now access Social Listening directly from within Microsoft Dynamics CRM 2015 - even as an on-premises customer - and may also be eligible for a discounted rate.

Improvements in CRM for Outlook: Set up CRM for Outlook quickly and easily with the completely redesigned Configuration Wizard. With Microsoft Dynamics CRM 2015 for Outlook, users can sync assigned tasks and appointment attachments. Admins can control synchronization between pairs of fields, which provides confidence about where data is coming from and how it's shared. For more information, see Set up CRM for Outlook.

Customizable help: Personalize the user assistance by tailoring the in-product Help content to match the specifics of your Dynamics CRM implementation.