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Check out this post, it gives a good overview of how Steemvoter works. Yes, using a voting bot is fine and is actually a pretty common curation tactic on Steemit: https://steemit.com/steemit/@cryptomancer/steem-voter-review-bringing-bot-power-to-the-masses

i recorded a video in youtube channel to explain this great tool
i create a post in my blog
thank you so much

https://steemit.com/steemit/@machhour/steeamvoter-arabic-version