No one can tell forever, im sure in hundreds of years the internet will be something completely different, but for the foreseeable future yes.
Internet Business is just like any other business. You can be making millions today and tomorrow not making a dime! However an online business has many advantages. One of them is automation. Keep in mind that the internet business & trends is chancing much much faster than an offline business.
To digg money from internet is quite difficult and in near future it will be more difficult. i dont think internet will shutdown....
IMO Forex is the best internet biz Coz it require no huge amount of money to start with and the working time is also flexible
Internet market is growing every single minute. and im sure in upcoming near future it will become huge to follow up... Those people which have established sites now, they will be millionaire for sure, may be they are now even.. Bu this market is just becoming huge day by day.