It's worth knowing what your trusted sites' URLs look like and keep an eye out for any changes to the site as you conduct your business.

BBC: Q&A: Phishing for your precious data

Consider online tools, like Unfurlr, that show the long URLs hiding behind short URLs and provide a security report assessing the safety of the underlying web site.

FORBES: When QR Codes Go Rogue

However, it can't send URLs to the TV and mirror displays like AirPlay can, supposedly to avoid protocol conflicts as it builds its network of partnerships.

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