Warchalking, as the practice has been coined by Matt Jones, entails simply drawing a chalk symbol on a wall or pavement to indicate the presence of a wireless networking node. If you see one of these symbols, you should--in theory at least--be able to whip out your notebook computer equipped with an 802.11 wireless networking card, and log on to the Net. The idea of organized wireless hot spots, where people can log on at cafes, exhibition centers, airports and the like, is nothing new. BT Group has ambitious plans to create a commercial network of at least 400 high-speed wireless hot spots by next summer, and plans to have 20 up and running by August.

CNET también está disponible en español, Don't show this again, Today even optimistic analysts are calling for a continuing shakeout, Many of the companies that were superstars are already gone or are struggling through bankruptcy, Here's a look at how some of the biggest stars have fallen to earth, WorldCom: Former Chief Executive Bernie Ebbers built an international giant that once exceeded even AT&T's market capitalization, largely by a series of more than 70 acquisitions, Hubris led him to agree to buy rival Sprint, in a deal that would have created a company much closer to Ma Bell's size, That deal was blocked by federal regulators and helped set off a chain of events leading to ted baker colin iphone x mirror folio case - tranquillity black WorldCom's present state..

As WorldCom's stock plummeted over the past year, revelations of personal loans made to Ebbers shrouded the company in controversy. Analysts questioned the company's ability to make good on massive bond debt coming due over the next few years. Finally, Ebbers himself resigned in April, leaving John Sidgmore--a former vice president who had come to the company at the head of Internet backbone UUNet--with the unenviable task of righting the ship. News of the nearly $4 billion accounting problem can only increase the difficulty of Sidgmore's job.

AT&T: The biggest of the telecommunications giants, Ma Bell re-created itself as a cable company at ted baker colin iphone x mirror folio case - tranquillity black the height of the Internet boom, As the economy began heading south, Wall Street questioned the strategy of Chief Executive Officer C, Michael Armstrong, Ultimately, the ambitious CEO decided to split up the company he had created, spinning off the mobile phone and cable divisions as separate companies, Comcast agreed to buy AT&T's cable division for $72 billion last December, AT&T is still struggling to rebuild a solid business in an environment where long-distance phone profit margins are razor-thin and the long-distance network business is stagnating..

Global Crossing: One of the scrappy newcomers of the late 1990s, Global Crossing hoped to capture business from AT&T and the other giants, surfing the wave of venture capital and demand for Internet bandwidth. When the Net bubble collapsed, so did Global Crossing's prospects. The company filed for Chapter 11 bankruptcy protection in January. But the real clouds came with news that it had engaged in network-swapping agreements with some of its peers, along with accusations that the company had improperly accounted for these swaps as revenue.