As a source, this corpus has the advantages of (1) being produced by a number of different people of different ages, educational attainment, and background; (2) being produced through a Web browser, without any help from spelling correction modules usually present in text editors; and (3) being freely available for download over the Web.
illustrative, Medeiros's findings suffer from a major drawback, to the extent that he relied on pre-existing lists of erroneous words in the related literature, along with handwritten errors made by high school students, with only part of the data coming from e-mail exchanges-that is, from actual typed text.