Apple just killed Ping, its music social network.

FORBES: Links 14 Sept: iPhone 5, Best Thing Since Sliced Bread Or All Rather Ho Hum?

As part of the launch of the MacBook, Apple apparently removed the last remaining PowerBook, the 12-inch model, from its site earlier today (Apple also killed the iBook brand, but we don't really see anyone missing that nearly as much).

ENGADGET: RIP, PowerBook: 1991-2006

Apple may have killed off the ubiquitous 30-pin connector, but that doesn't mean the dock is dead.

ENGADGET: 's holiday gift guide 2012: speakers and docks

Why Are Apple Shares Getting Killed?

FORBES: Why Pandora Missed a Beat as SiriusXM Surged

Not so fast -- according to analysts at Caris and Company, Apple CFO Peter Oppenheimer "pretty much killed" that idea when they asked him about it, saying it didn't mesh with Apple's business.

ENGADGET: blogger-avatar

Disrupters like Apple and Netflix, a video-streaming service, have not killed traditional television, as once feared.

ECONOMIST: News Corporation

Apple has always positioned itself as a consumer products company, and even killed off its server hardware over the years.

FORBES: Apple Does Suck at Web Services. Twitter and Yahoo Can Fix That.

Of course, this rumor's been through the mill before -- and has already been killed off -- so it's hard to say whether this is something Apple is actively working on or has been shelved.

ENGADGET: Bloomberg: Apple working on 'cheaper, smaller' and dual-mode iPhones, trying to kill SIMs along the way