Expenditure is different this time round though, most of these startups aren't looking to blow heaps of investment on advertising and expensive offices and server costs are nowhere near where they were.

Most startups now to know that building an audience isn't enough that they need a revenue model. Many startups being built to are good fits for acquisitions by the bigger players, generally less people getting funding for things that are unworkable.

Also the public is far less adverse to sharing and purchasing online and innovations like the app stores and things like the kindle have opened up many more markets to generate revenue.