MathWorld
Eric Weisstein's World of Mathematics, the best math site on the Internet, is back on-line.
Shame on CRC Press, publisher of excellent technical materials, for suing them and for imposing the terms of their settlement.
See also: "Welcome Back to MathWorld", "Eric's Commentary on the Shutdown of MathWorld", and Eric's affidavit in that case (an extremely long discussion of the potential perils of book deals).
