interstices are small spaces that intervene between things - in space or time - like the spaces between rocks in the bottom of a stream. And it is in the intersticies where interesting things are found
Use of internet is shifting away from the web to other uses - at least on a proportional basis. The overall amount of data moving through the internet continues to increase.
Follow the debate whether the web is dying at http://bits.blogs.nytimes.com/2010/08/17/the-growth-of-the-dying-web/ and the article at Wired Magazine at http://www.wired.com/magazine/2010/08/ff_webrip/all/1