The Google Real Estate Index

Here is a graph of Google searches for real estate–related terms since the beginning of 2004, a sign of interest in the topic:


Google's description of the data being measured:

The Google Real Estate Index tracks queries related to "real estate, mortgage, rent, apartments". ... The index is set to 1.0 on January 1, 2004 and is calculated and displayed below as a 7-day moving average.