I assumed it was someone involved with the project, but since there&#x27;s no obvious sign of that, we&#x27;ve changed the url from <a href="https:&#x2F;&#x2F;plus.google.com&#x2F;+TimHarfordEcon&#x2F;posts&#x2F;bWijuaPkzfR" rel="nofollow">https:&#x2F;&#x2F;plus.google.com&#x2F;+TimHarfordEcon&#x2F;posts&#x2F;bWijuaPkzfR</a>.