Permamarks are a time-specific, on-demand, archive of the public web.
When you bookmark with permamarks, they keep anarchive of the page in its original form.
integrity & reliability tool.
Integrity in knowing the content you share now is the same content others will see later. Reliability in knowing the resources you reference will be there when you need them.
URL shortening + sharing tool.
Permamarks provide "In-Page" analytics; other services can't track what users do once they reach the page you've shared, only how they got there .
I recommand to read https://lucianecurator.contently.com/ Top100 #edtools discovered through #iste13 http://bitly.com/iste13edtools