... disturbing the black hole and its geometry. Therefore, in principle, the distant observer can obtain information about the neighborhood of the horizon and the infalling sys-tem right up to the point ... Information, a nd the String Theory RevolutionOctober 25, 2004 15:0 WSPC/Book Trim Size for 9in x 6in blkhlphyAN INTRODUCTION TOBLACK HOLES, INFORMATION, AND THE STRING THEORYREVOLUTION The ... Holes, Information, a nd the String Theory Revolutionspatial distance from the origin, but is defined so that the area of the 2-sphere at r is 4πr2. The angles θ, φ are the usual polar and azimuthalangles....