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We also started the conversation about group coding friendly frameworks for the post-Mongo+Node course. The two contenders are, so far
Angular: https://angular.io
ReactJS: https://facebook.github.io/react
Meteor: https://www.meteor.com
Web Components: Polymer? see also Modzilla, W3C and YouTube (recommended!)
You have 2 more weeks to argue one way or the other ... or come up with a third way :-)