How will semantic web affect the web widgets?

the Semantic Web is an extension of the World Wide Web in which facts can be tagged within documents to allow machines (as well as humans) to extract information from them

I worked in the Silicon Valley for ten years between 1975 and 1985. A lot happened then from solid-state circuitry to the silicon chip wherein IBM finally got into the PC market pushed by Apple....

Deforestation affects the food web because it alters the habitat and ecosystem of the organisms. Let's say a squirrel was living in a forest that was just deforested. Assuming it didn't get killed,...

well if it is in a prairie the chain is different for example grass to mouse to snake to hawk, the predators and plant life changes in different regions