To say we should lust after attention in preference to cash simply doesn't put food on the table. This kind of activity, provided it enhances sales, shows the value of the Internet as a marketing force with distinct advantages apart from traditional print and broadcast media. DoSA are hacker originated, coordinated efforts to flood commercial websites with so much bogus traffic and hits that the servers slow and fail under the load. Similar efforts have targeted servers at the World Bank and other international agencies thought to oppress 3rd world workers through their pro-business economic policies. The origin of these attacks is often concealed through sophisticated loop-backs in the complex Internet structure.
Search engines are a stable of connecting sellers, advertisers and consumers.
In the edited list engine, human experts regularly surf the web looking for worthwhile, expert sites across an encyclopaedic set of topics. These are listed and updated regularly. Spyders use hyperlinks and a kind of keyword strategy rolled into one.