<http://schema.org/description>
"For those trying to set their SafeSearch to locked in Google, they were out of luck yesterday. The key was jammed, the lock was broken and the button would not click.A Google Web Search Help thread ha"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-lock-safesearch-broke-17959.html>