Eventually the company could add a subscription model as well as paid services for music companies or bands to use Cull as a promotional channel.

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And it is betting that it can create so much real value for designers by doing so that they, and the organizations that employ them, will gladly add a subscription to Creative Cloud to the cost of doing business.

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All these subscription services can add up, especially when you start throwing in additional charges for shows and movies purchased or rented.

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Spotify is a music service that allows unlimited streaming of songs from the Big Four music labels, Sony, Warner Music, Universal Music Group and EMI, and also offers a premium, add-free service via subscription.

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RealNetworks and other subscription companies are expected to add a similar portability option in the coming months.

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Software tools, sold on a subscription basis to developers looking to add more intelligence and functionality to a growing range of products, are an increasingly important part of its embedded-software business.

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Now GW2 can add another feat onto the pile: ArenaNet has sold 3 million copies of their subscription-free game.

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