This technique does indeed work very well. I wrote about it last year, describing how we use it at FastMail to share a single push events connection between all

This technique does indeed work very well. I wrote about it last year, describing how we use it at FastMail to share a single push events connection between all open tabs: http://blog.fastmail.fm/2012/11/26/inter-tab-communication-using-local-storage/ http://blog.fastmail.fm/2012/11/26/inter-tab-communication-u...