most of the tools out there are old and not very accurate. Ive tested out a number of them and they don't seem to be more than 75% correct and the data is at least 6 months old.
a lot of these tools work by spydering and indexing the paid search results for thousands and thousands of keywords so updating their index will probably take months.
plus, keep in mind that what keywords are working for me, might not work for you even if we are selling the same product.
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