<http://schema.org/description>
"Kim reports the keyword planner tool within the Google AdWords console has quietly added nine new features today.The new features include:Specify a time period for keyword data\r\nCompare time periods o"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-keyword-planner-tool-update-18454.html>