Mann Publications Virtual Doorman, a New York-based provider of remote doorman and security services, announced

The Cooperator New York | By A.J. Sidransky Online services have revolutionized everything – but

Mann Publications | By Mahzabeen Alam Imagine walking into your building and a voice calls

Entrepreneur Regal Real Estate has selected Virtual Doorman (VDM), the remote doorman service bat provides

Brooklyn Daily Eagle | By Linda Collins BROOKLYN — Virtual Doorman, a high-tech electronic doorman

The New York Observer | By Bonnie Kavoussi From Ocala, Fla., and Unity, Maine, the