According to a report on Advertising Age’s website,  Microsoft have shifted their attention back to challenging Google and the lucrative online advertising market it provides.

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As well as re-branding their latest search engine technology as Bing (previously project Kumo),  they are planning to spend a whopping $80 – $100 million advertising the service.

To put this expenditure in perspective, Google themselves spent in the region of $25million last year and a MAJOR national roll-out (in the US that is) will normally ‘only’ extend to around $50million.