Conversation so far:
when did apple come out with retina display
Retina Display was introduced with the iPhone 4 in June 2010.
what is in apple's retina display
Retina Display refers to devices and monitors with a resolution and pixel density so high that a person is unable to discern the individual pixels at a normal viewing distance.
how does apple's retina display work
Apple 'converts' a device's display to Retina by doubling the number of pixels vertically and horizontally, meaning it has four times as many pixels as its non-Retina counterpart.

Question: is the display the best on the market
Self-contained rewrite: is the retina display the best display on the market