This was a strange shift from political blogging, a sphere in which point-counterpoint is simply taken for granted.

FORBES: Do Gaming Journalists Need To Grow Up?

It says that if in this space any closed-curve object, such as a rubber band, can be shrunk to a point, then the space is topologically equivalent to a sphere.

FORBES: Plugging A Math Gap

If and when face-recognition technology improves to the point where surreptitious cameras can routinely recognise individuals, privacy, as it has existed in the public sphere, will in effect be wiped out.

ECONOMIST: BIOMETRICS