"Of course they also had the option to charge for the software somebody can correct me here but wasn't it "Daz 4.5 FREE for a limited time" "

The marketing phrase your looking for is "creating a sense of urgency" and is much smarter business than "pick it up any time before the end of the world". Having an option does not mean it is good business in the "free to play" economy to go back to a strategy you already have proof is not ideal.

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