<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://community.skype.com/t5/Security-Privacy-Trust-and/Can-t-Login-or-Renew-Password-Skype-is-not-recognizing-my-email/td-p/82524>