Keyword Research pro is a keyword research tool with the following features:
    
     - 6 different sources of keywords adding up to billions of keywords. Google, Wordtracker, KeywordDiscovery, 7search, Ask.com and Miva.
    
     - Multi-language support allows you get keywords in 41 specific languages.
    
     - One click niche brainstorming to generate ideas.
    
     - LSI keyword suggestions based on Google search and Google sets.
    
     - Gets search engine competition data, monthly search counts, pay-per click ads and CPC, calculates KEI (keyword effectiveness index) and R/S Ratio (Results to Searches ratio), and more.
    
     - Quick filtering system allows you to filter out your entire list in seconds by using a custom filtering criteria.

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