Realtor Notebook
50,000 Realtors in mid-Atlantic region will have access to Authentisign
Simplify day with e-sign, passwords, screen sharing
Report: Citigroup will help Zillow go public
MLSListings Inc. working with third-party vendor to collect client feedback
Company's revenue jumped 40% in 2010
NAR's property database has licensing agreements with 235 MLSs
Real estate tech review: Cardmunch
Subscribers can access site through QR codes or customized URL
ValueAppeal says about 25% of homes are over-assessed
Realtor.com operator will also syndicate ads to 'hyperlocal' site
Property portal calculating 'Rent Zestimates' for 90 million properties
Adoption of new tools is all relative
Company redesigns user interface, adds filters