Express implements a server side session object that lets you store data specific to a client. How would you do the equivalent in Meteor?
strack recommended using a coll
I think that's what the Session is for in meteor-- To store information needed on the client side.
Session
If you need to pass something to the server, maybe put it in a Meteor collection?:
Cookies = new Meteor.collection("cookies")
Otherwise, just use Session.