What Is the New Geometry of String/M-Theory?

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cuallito
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I'm watching a lecture by Edward Witten here:

In it, he mentions that String/M-theory seems to be hinting toward a new kind of geometry where you don't talk about space/time points, but the interactions between quantum world sheets (around 37:00 minute mark.)

Does this new geometry have a name? What work's being done on it? Where can I read more?
 
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cuallito said:
... String/M-theory seems to be hinting toward a new kind of geometry where you don't talk about space/time points, but the interactions between quantum world sheets.
But these world sheets are embedded in 10-dim. "background", so this cannot be the final answer