Eurozone construction drops in February.
From 2004 to 2014, Google spent more than $500 million on construction and remodeling.
Check out the most extravagant homes for sales around the globe.
IDC Energy Insights predicts that by that 2015 spending on smart building will reach $7 billion and $17.4 by 2019.
Watch this video about the fastest-moving housing markets in the United States.