As we go to press, the company has plans to release technical papers detailing Nexium's efficacy to the medical profession at the end of May.

FORBES: Another Look

The letter also said that Defense Distributed likely didn't get the proper approval to release the technical data it had posted online.

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Grab more looks at the gallery below and hit the press release after the break for all the technical details.

ENGADGET

Jason Carter, head of live music and events at BBC Radio 1 told BBC Radio Ulster's Nolan programme that due to the technical issues the decision was taken to postpone the release.

BBC: Radio 1 Big Weekend: Ticket release delayed

The release was delayed and quickly scaled back after servicing and technical problems.

FORBES: The Fight For Interactive Television

They're also stuck attempting to sell both formats while movie studios are still reluctant to release AAA-titles on either as they figure out the technical aspects.

ENGADGET: High-def DVD sales slower than expected; HD DVD sells more units but Blu-ray makes more money

Technical tinkering, such as changing the formulation of a drug from a fast-acting pill to a slow-release system, is a common tactic.

ECONOMIST: Prescription drugs