Why do I follow people on instagram who I didn't choose to follow?

Every once in awhile I find that I'm following random people I didn't choose to follow? Why is that? Is my account hacked? How can I stop that? Usually it's one person here and there and as soon as I notice I unfollow. Since this morning I have 3 extra people I'm following.. I wasn't even on and... show more Every once in awhile I find that I'm following random people I didn't choose to follow? Why is that? Is my account hacked? How can I stop that? Usually it's one person here and there and as soon as I notice I unfollow. Since this morning I have 3 extra people I'm following.. I wasn't even on and I didn't add 3 people.. What is going on?
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