the.com/cutting edge

Where innovation lives right before it either changes the world or embarrasses everyone who funded it.

means The most advanced point of development in a field — the newest, sharpest stuff before it's been proven to actually work.

from Literally the sharpened edge of a blade — the part that actually cuts, as opposed to the dull spine. By the early-to-mid 20th century, people started using it figuratively for the 'sharp,' leading point of technology or thought, the part slicing into new territory while the rest of the field trails behind like the blunt side of the knife.

origin
literally the sharpened side of a blade
risk
often indistinguishable from unfinished and buggy
irony
today's cutting edge is tomorrow's landfill
marketing use
means expensive, not necessarily better
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