Mr Murdoch's Twitter comments accused the Obama administration of bowing to "Silicon Valley paymasters".

"So Obama has thrown in his lot with Silicon Valley paymasters who threaten all software creators with piracy, plain thievery," he wrote in a series of five tweets, accusing Google of hosting pirated material and selling advertising against it.

Murdoch even surpassed his own standards for shameless hypocrisy when he tweeted that the Obama administration was bowing to it's "Silicon Valley paymasters".

They also set the tycoon on a collision course with the Obama administration in Washington, which he accused of bending to the will of "Silicon Valley paymasters" over plans to water down online piracy legislation.

Reacting to the plans being watered down, Mr Murdoch wrote: "So Obama has thrown in his lot with Silicon Valley paymasters who threaten all software creators with piracy, plain thievery."

But the lobbying battle from supporters and opponents is getting ever more heated, with Rupert Murdoch accusing President Obama of siding with his Silicon Valley paymasters - and the web community convinced that Hollywood and music industry money is the only reason that Sopa and Pipa ever got out of the starting blocks.

Mr Murdoch complained on Twitter that President Obama "has thrown in his lot with Silicon Valley paymasters".

So Obama has thrown in his lot with Silicon Valley paymasters who threaten all software creators with piracy.

Mr Murdoch's Twitter comments accused the Obama administration of bowing to "Silicon Valley paymasters".

"So Obama has thrown in his lot with Silicon Valley paymasters who threaten all software creators with piracy, plain thievery," he wrote in a series of five tweets, accusing Google of hosting pirated material and selling advertising against it.

Murdoch even surpassed his own standards for shameless hypocrisy when he tweeted that the Obama administration was bowing to it's "Silicon Valley paymasters".

They also set the tycoon on a collision course with the Obama administration in Washington, which he accused of bending to the will of "Silicon Valley paymasters" over plans to water down online piracy legislation.

Reacting to the plans being watered down, Mr Murdoch wrote: "So Obama has thrown in his lot with Silicon Valley paymasters who threaten all software creators with piracy, plain thievery."

But the lobbying battle from supporters and opponents is getting ever more heated, with Rupert Murdoch accusing President Obama of siding with his Silicon Valley paymasters - and the web community convinced that Hollywood and music industry money is the only reason that Sopa and Pipa ever got out of the starting blocks.

Mr Murdoch complained on Twitter that President Obama "has thrown in his lot with Silicon Valley paymasters".

So Obama has thrown in his lot with Silicon Valley paymasters who threaten all software creators with piracy.