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 :*Hi. The first thing I noticed is ""many""! It is weasel word. The article should not have any statement on the number of such tools without a source; be it an accurate numeric one (e.g. 83479 or 19) or a vague weasel word (e.g. ""many"", ""numerous"", ""a handful""). 

 ::About the rest, I'll think about it later. 
 ::Best regards, 
 ::  "