The biggest multiple listing service on the East Coast -- Rockville, Md.-based Metropolitan Regional Information Systems (MRIS) -- has selected Imprev Inc. to power a new integrated marketing center for its nearly 45,000 members.MRIS' "My Marketing Center" will provide an integrated suite of digital and print marketing products and tools, including fliers, e-fliers, postcards, e-postcards and virtual tours. The MLS's members will have the ability to pull listing data and photos into the system to create marketing materials without re-entering data or uploading images. Links to virtual tours may be posted to Realtor.com or agent websites, and e-fliers with the broker's template and branding can be posted on Facebook or sent out on Twitter."My Marketing Center will be the fast...