Its similar to wordweb's free version licence [1], after the trial it prompts a question about how many flights you took in the past year and based on the answe

Its similar to wordweb's free version licence [1], after the trial it prompts a question about how many flights you took in the past year and based on the answer you qualify for free indefinite use. [1] http://wordweb.info/free/licence.html http://wordweb.info/free/licence.html