1. Virtual Private Network and Customer Relationship Management By: Saeed Baayoun

2. Virtual Private Network A virtual private network (VPN) is a network that uses a public telecommunication infrastructure and their technology such as the Internet, to provide remote offices or individual users with secure access to their organization's network.

3. CRM Customer relationship management (CRM) is a broadly recognized, widely-implemented strategy for managing a company’s interactions with customers, clients and sales prospects.