Facebook 1.0 For more information, please visit the following pages:FacebookFacebookLatest user agents:facebookplatform/1.0 (+http://developers.facebook.cfacebookplatform/1.0 (+http://developers.facebook.com)+Sleipnir6/6.4.4; SleipnirSiteUpdates/6.4.4)facebookplatform/1.0 (+http://developers.facebook.com)