Cannot authenticate to twitter, facebook, linkedin in "Internet Accounts" MBP OSX 10.9.4
I looked in my logs and I get a different reply... seems that the linkedin processes/api have changed 

Jul 31 19:07:20 --- last message repeated 9 times ---
Jul 31 19:07:20 baksons.local accountsd[259]: /SourceCache/Accounts/Accounts-336.9/ACDAccountStore.m - -[ACDAccountStore verifyCredentialsForAccount:saveWhenAuthorized:withHandler:] - 1413 - com.apple.preferences.internetaccounts.remoteservice (com.apple.preferences.internetaccounts.remoteservice) is trying to verify account credentials for account: peter.bakker@alumni.insead.edu
Jul 31 19:07:21 baksons.local accountsd[259]: (null) - (null) - 0 - Request status was 500
Jul 31 19:07:21 baksons.local accountsd[259]: /SourceCache/Social/Social-279.11/LinkedIn/LinkedInAuthenticationPlugin/LinkedInAuthenticationPlugin.m - __65-[LinkedInAuthenticationPlugin _authenticateAccount:withHandler:]_block_invoke - 262 - Access token request failed. Response: &lt;!DOCTYPE html&gt;
    &lt;html&gt;
    &lt;head&gt;
      &lt;title&gt;Your LinkedIn Network Will Be Back Soon&lt;/title&gt;
      &lt;meta charset="UTF-8" /&gt;
      &lt;style type="text/css"&gt;
    html, body, h2, p {
      margin: 0;
      padding: 0;
    }
    body {
      background: #f2f2f2;
      font-family: Helvetica,Arial,sans-serif;
    }

    #header {
      position: relative;
      left: 0;
      top: 0;
      width: 100%;
      height: 40px;
      background-color: #252525;
      -webkit-box-shadow: 0 0 10px #303030;
      -moz-box-shadow: 0 0 10px #303030;
      box-shadow: 0 0 10px #303030;
    }
    #header .logo {
      float: left;
      position: relative;
      left: 15%;
      top: 6px;
      margin: 0;
      padding: 0;
    }
    #header .logo  img {
      border: 0;
    }

    #content {
      width: 70%;
      margin: 80px auto 0;
      text-align: center;
      color: #333;
    }
    #content a,
    #content a:visited {
      text-decoration: none;
      color: #0077B5;
      outline: none;
    }
    #content h2 {
      font-size: 30px;
      font-weight: normal;
      line-height: 40px;
      color: #333;
    }
    #content #en_US h2 {
      font-weight: 200;
    }
    #content .message,
    #content .status,
    #content .twitter,
    #content .blog {
      display: block;
    }
    #content .alternatives {
      margin: 0;
      padding: 10px 0 74px;
      line-height: 32px;
      text-align: center;
    }
    #content #wiper {
      position: relative;
      width: 100%;
      min-width: 240px;
      height: 295px;
      background: url(http://s.c.lnkd.licdn.com/scds/common/u/images/photos/error_pages/photo_clean-in_974x295_v1.png) 50% 0 no-repeat;
    }

    #footer {
      width: 70%;
      margin: 40px auto 0;
      padding-bottom: 40px;
      overflow: auto;
      font-size: 12px;
      color: #888;
    }
    #footer .copyright {
      float: left;
    }
    #footer .error-id {
      float: right;
    }

    &lt;/style&gt;
      &lt;script type="text/javascript"&gt;
        document.documentElement.className += ' js';
      &lt;/script&gt;
    &lt;/head&gt;
    &lt;body&gt;

      &lt;div id="header"&gt;
        &lt;a href="http://www.linkedin.com/" class="logo"&gt;&lt;img src="//static.licdn.com/scds/common/u/images/logos/logo_linkedin_flat_white_98x25.png" alt="LinkedIn"/&gt;&lt;/a&gt;
      &lt;/div&gt;

      &lt;div id="content"&gt;
        &lt;div id="en_US"&gt;
          &lt;h2&gt;
            &lt;span class="message"&gt;We're getting things cleaned up.&lt;/span&gt;
            &lt;span class="status"&gt;We'll be back soon.&lt;/span&gt;
          &lt;/h2&gt;
          &lt;p class="alternatives"&gt;
            &lt;span class="twitter"&gt;Follow &lt;a href="http://www.linkedin.com/redir/redirect?url=https%3A%2F%2Ftwitter%2Ecom%2FLinkedInHelp&amp;urlhash=_uru"&gt;@LinkedInHelp&lt;/a&gt; on Twitter to get site availability updates.&lt;/span&gt;
            &lt;span class="blog"&gt;In the meantime, learn what's new at LinkedIn by &lt;a href="http://www.linkedin.com/redir/redirect?url=http%3A%2F%2Fblog%2Elinkedin%2Ecom&amp;urlhash=uHTj"&gt;visiting our blog&lt;/a&gt;.&lt;/span&gt;
          &lt;/p&gt;
        &lt;/div&gt;
        &lt;div id="wiper"&gt;&lt;/div&gt;
      &lt;/div&gt;

      &lt;div id="footer"&gt;
        &lt;p class="copyright"&gt;
          &amp;copy; 2013 LinkedIn Corporation
        &lt;/p&gt;
          &lt;p class="error-id"&gt;
            Error Id: 140679763152567
          &lt;/p&gt;
      &lt;/div&gt;

    &lt;/body&gt;
    &lt;/html&gt;
Jul 31 19:07:21 baksons.local accountsd[259]: /SourceCache/Accounts/Accounts-336.9/ACDAccountStore.m - __70-[ACDAccountStore saveAccount:pid:verify:dataclassActions:completion:]_block_invoke539 - 1362 - Could not verify account: The operation couldn’t be completed. (com.apple.accounts error 3.)
Jul 31 19:07:21 baksons.local WindowServer[102]: window 4fd is already attached to window 4fb
Jul 31 19:07:26 --- last message repeated 9 times ---
Jul 31 19:07:26 baksons.local Preview[74667]: CoreText CopyFontsForRequest received mig IPC error (FFFFFFFFFFFFFECC) from font server
Jul 31 19:07:50 --- last message repeated 1 time ---