Night mode is an automatic setting which takes advantage of the new wide-angle camera that's in the iPhone 11 and 11 Pro models. It's equipped with a larger sensor that is able to let in more light, allowing for brighter photos when the light is low.
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Steve Jobs on WWDC Announcements: 'You Won't Be Disappointed'
After the big news from Google last week, MacRumors reader Bryan Webster emailed Steve Jobs: "I hope you have some good WWDC announcements to blow [Google] out of the water".
To this, Steve Jobs reportedly replied "You won't be disappointed". While it's always hard to authenticate emails sent to and from 3rd parties, Bryan did post headers as an offering of proof.
Apple is expected to be making new product announcements at the Worldwide Developer's Conference from June 7th-11th. In particular, everyone expects that the next generation iPhone will be introduced at that event. Other rumors have suggested that we may see the iPhone with Verizon this year, though it may not come as early as June.