They were a channel on the Sky platform.

FORBES: Press TV and the Freedom of the Press

The channel, which had a home on the Sky Satellite platform, has been claiming to have been banned since October, saying it frightens the UK establishment.

FORBES: Press TV and the Freedom of the Press

New, more highbrow channels, whether from Sky Italia's satellite platform or digital terrestrial channels, are slowly fragmenting Mediaset's audience.

ECONOMIST: Mediaset

Sky operates the most comprehensive multichannel, multi-platform television service in the UK and Ireland, reaching almost 10.3 million homes.

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Every few weeks the freighter will fire its thrusters to accelerate the platform, taking it higher into the sky.

BBC: Johannes Kepler freighter docks with space station

Ms Coyle said that there was no reason why companies, such as Sky, should not charge for services on the platform.

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To transport the one-ton rover and position it near the mound, engineers devised a complicated system that includes a 52-foot (16-metre) diameter supersonic parachute, a rocket-powered aerial platform and a so-called "sky crane" designed to lower the rover on a tether to the ground.

MSN: NASA rover closing in on Mars to hunt for life clues

Then there is Sky's ability to dictate who can use its platform, which has been further undermined by new government regulations for digital broadcasting.

ECONOMIST: Digital television

Sky also works with dozens of other broadcasters on the satellite platform, online and on mobile.

ENGADGET: iPad dock shopping cart keeps footie fans and their other halves happy

's president resigned over the weekend, just as the fast-growing but profitless blogging platform prepares to sell ads for the first time and tries to justify its sky-high valuation.

WSJ: Tumblr's President Resigns