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Google is discontinuing the Chromecast line
(www.theverge.com)
This is a most excellent place for technology news and articles.
I have a travel router as well, I just prefer to keep the SSIDs different. It is definitely paranoia, but if someone sees your travel router at a hotel, they know your not home, and your home can be found on wigle.net.
Its not that bad to reset the Chromecast, and I do it infrequently, so I'm happy with that.