Tell me please why the speaker left out an article after the phrase speaking of in the following sentence. It is from Crash Course Big Hisory. It is at 2 minute and 32 second.
Some questions can only be explored by zooming out. That is what Big History does. Speaking of (the) zoomed out, this is Earthrise one of the most famous photographs of all time.
Why did the speake not use the before zoomed out or not say speaking of zooming out?