=== Código HTTP : 301 ===

HTTP/1.1 301 MOVED PERMANENTLY
Content-Language: en
Content-Type: text/html; charset=utf-8
Date: Sat, 13 Dec 2014 00:39:34 GMT
Location: https://prezi.com/el75udvbczs4/rol-de-la-familia-con-un-nino-con-perdida-auditiva/
p3p: CP="NOI ADM DEV PSAi COM NAV OUR OTR STP IND DEM"
Server: openresty/1.7.2.1
Set-Cookie: __putma=8228e600-8260-11e4-9f01-22000b150376; expires=Fri, 08-Dec-2034 00:39:34 GMT; Max-Age=630720000; Path=/
Set-Cookie: _ptref="Imh0dHA6Ly9vaXJwZW5zYXJoYWJsYXIuY29tIg:1XzakA:tIAH0Enasg-OcNu-wI_yT9mca7I"; expires=Sun, 14-Dec-2014 00:39:34 GMT; Max-Age=86400; Path=/
Set-Cookie: _ptret="IjEi:1XzakA:N5bg5AkiEaqlepzXs0ej_m_WQ4g"; Path=/
Vary: Accept-Language
x-content-type-options: nosniff
X-Content-Type-Options: nosniff
x-xss-protection: 1; mode=block
Connection: Close


El enlace es válido.