Tweet Ninja is a Smart Automated Twitter Assistant: once you choose the list of people to engage with, the tool starts picking the best tweets to retweet and like, presenting them to you for approval or autonomously doing that for...
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It has a pretty advanced A.I. "mind" and complex algorithm - yet it's extremely easy to use: users are all happy after just a few days, seeing a constant and automatic growth in followers and, especially, a boost in engagement with interesting people and influencers.