To remember that big businesses are accepting bitcoin to sell their products. Microsoft, Dell or another monsters of business are not stupid that accept bitcoin at the place of the fiat money. If the bitcoin has not perspective they lost money and they are not so stupid to accept this.
Do you want to know the truth??? ...
the amount of legitimate "transactions" for businesses through bitcoin is humiliating and depressingly small ... and those companies "accept bitcoin" for free publicity and press but to be honest it doesn't do JACK SQUAT for their business ...
they also LIQUIDATE the bitcoin IMMEDIATELY so that they assure that they have cash on hand for that transaction... so they pretty much use bitcoin as a facilitating contract transaction with a smaller clearing house for the payments ....
Addition: http://www.businessinsider.com/dell-becomes-biggest-company-to-accept-bitcoin-internationally-2015-2 Their biggest purchase from bitcoin was a "$50,000" purchase for a server using BITCOIN ... you know how SMALL of a purchase that is ...
that is BARELY even a SERVER RACK ... which a fully optimized rack would go for $200,000 -$400,000 and companies spend $1,000,000++ on one purchase from DELL not $50,000 that's like a drop compared to a full gallon of water.