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Say you punch "Station SNAFU" on your logic. Relays in the tank take over an' whatever vision-program SNAFU is telecastin' comes on your logic's screen. Or you punch "Sally Hancock's Phone" an' the screen blinks an' sputters an' you're hooked up with the logic in her house an' if somebody answers you got a vision-phone connection. But besides that, if you punch for the weather forecast or who won today's race at Hialeah or who was mistress of the White House durin' Garfield's administration or what is PDQ and R sellin' for today, that comes on the screen too.

it made Joe a individual

But I think he went kinda remote-control exploring in the tank.

Turing was captivated by the potential of the computer he had conceived. Although his 1936 work had shown the absolute limitations of the computable, he had become fascinated by what Turing machines could do, rather than by what they could not. He had long abandoned his youthful expectations of finding free will or free spirits through quantum mechanics. His later thought was strongly determinist and atheistic in character. And by the end of the Second World War he had turned against the tentative idea that there were steps of 'intuition' in human thought corresponding to uncomputable operations. Instead, he held that the computer would offer unlimited scope for practical progress towards embodying intelligence in an artificial form.

For the most part, we've grown to perceive of "computing" as being equated with specific familiar "artifacts" such as the "computer", the "program" that's installed on a computer, and the "files" that are stored on that computer's "desktop

Such thinking, he said, was becoming less and less relevant as the way people used computers and what they did changed

Connections rather than computers were more important

The lone genius, beavering away in the seclusion of his lab is how most of us imagine the great moments of innovation have come into being. But is this really the whole story?

"[Good ideas] come from crowds, they come from networks. You know we have this clichéd idea of the lone genius having the eureka moment.

"And so much of that is because it's wonderfully set up for other people to build on top of other people's ideas. In many cases without asking for permission.

These days one witty Tweet, one clever blog post, one devastating video - forwarded to hundreds of friends at the click of a mouse - can snowball and kill a product or damage a company's share price.

It's a dramatic shift in consumer power. But what if companies could harness this power and turn it to their advantage?

At the most basic, these tools measure the volume of social media chatter. Researchers at Hewlett Packard showed that they can accurately predict a Hollywood movie's box office takings by counting how often it is mentioned on Twitter before it opens.

1947   Sound barrior broken U.S. Air Force pilot Captain Charles "Chuck" Yeager becomes the fastest man alive when he pilots the Bell X-1 faster than sound for the first time on October 14 over the town of Victorville, California.

1952   Discovery of the area rule of aircraft design Richard Whitcomb, an engineer at Langley Memorial Aeronautical Laboratory, discovers and experimentally verifies an aircraft design concept known as the area rule. A revolutionary method of designing aircraft to reduce drag and increase speed without additional power, the area rule is incorporated into the development of almost every American supersonic aircraft. He later invents winglets, which increase the lift-to-drag ratio of transport airplanes and other vehicles.

From an unseen distance, Chipchase used his phone to pilot me through the unfamiliar chaos, allowing us to have what he calls a “just in time” moment. “Just in time” is a manufacturing concept that was popularized by the Japanese carmaker Toyota when, beginning in the late 1930s, it radically revamped its production system, virtually eliminating warehouses stocked with big loads of car parts and instead encouraging its assembly plants to order parts directly from the factory only as they were needed. The process became less centralized, more incremental. Car parts were manufactured swiftly and in small batches, which helped to cut waste, improve efficiency and more easily correct manufacturing defects. As Toyota became, in essence, lighter on its feet, the company’s productivity rose, and so did its profits. There are a growing number of economists who maintain that cellphones can restructure developing countries in a similar way. Cellphones, after all, have an economizing effect. My “just in time” meeting with Chipchase required little in the way of advance planning and was more efficient than the oft-imperfect practice of designating a specific time and a place to rendezvous. He didn’t have to leave his work until he knew I was in the vicinity. Knowing that he wasn’t waiting for me, I didn’t fret about the extra 15 minutes my taxi driver sat blaring his horn in Accra’s unpredictable traffic. And now, on foot, if I moved in the wrong direction, it could be quickly corrected. Using mobile phones, we were able to coordinate incrementally. “Do you see the footbridge?” Chipchase was saying over the phone. “No? O.K., do you see the giant green sign that says ‘Believe in God’? Yes? I’m down to the left of that.”

To get a sense of how rapidly cellphones are penetrating the global marketplace, you need only to look at the sales figures. According to statistics from the market database Wireless Intelligence, it took about 20 years for the first billion mobile phones to sell worldwide. The second billion sold in four years, and the third billion sold in two. Eighty percent of the world’s population now lives within range of a cellular network, which is double the level in 2000. And figures from the International Telecommunications Union show that by the end of 2006, 68 percent of the world’s mobile subscriptions were in developing countries. As more and more countries abandon government-run telecom systems, offering cellular network licenses to the highest-bidding private investors and without the burden of navigating pre-established bureaucratic chains, new towers are going up at a furious pace. Unlike fixed-line phone networks, which are expensive to build and maintain and require customers to have both a permanent address and the ability to pay a monthly bill, or personal computers, which are not just costly but demand literacy as well, the cellphone is more egalitarian, at least to a point.

Impressive services

Only last week Google splashed out on Writely, a web-based word processor that requires no downloads or installation and just runs in a browser window.

They are just the tip of an iceberg

Mobile penetration is expanding dramatically. The number given for 2007 is about 250 million subscribers in Africa and the numbers are continuing to rise very, very rapidly.