Pointing iPhone camera at homes reveals whether they're for sale
U.K. listings aggregators, others contribute listings data
Job growth and security a primary concern
AOL Real Estate, HomeGain, LoopNet fall off top 20 list
Agents will be able to 'lock out' competition with hyperlocal ads
Report cites tax credit, low inventory as factors
Watch for blurring of lines: online and offline
Survey: Execs predict continued volatility in 2010
Homes for sale, for rent displayed side by side
Consumers deserve better property search sites
REO, foreclosure site rethinking media partnerships
Don't fall short on showings, Web marketing
Top 4 sites remain fixed in rankings
Trulia finds July price reductions smaller than June