“[…] These are all theater pieces meant to be experienced by an audience of one. High-concept and immersive, intimate theater has been cropping up for years, but now in Europe it has reached such a critical mass that the Battersea Arts Center in London, known for innovation, hosted the largest one-person-audience festival this month. […]

“We had a couple of hundred people in the building every night, and there was an incredible buzz about what people saw and experienced,” he [festival artistic director Mark Ball] said. A festival setting is a good way to work out the logistical and economic challenges of one-audience theater, he added, since the paying audience for any one show is limited.

By the end of the Battersea festival there had been 10,000
performances in the center’s big building in southwest London. With dozens of choices each day, one could be bathed in the nude by a performer, “kidnapped,” slid out of a window and much more, all for the price of admission.

For the creators of these works, part of the appeal is the enforced focus they bring…”

– NYT, “Up Close and Personal: Theater for Audiences of One.” (http://www.nytimes.com/2010/07/28/theater/28one.html?hp)