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Hi Dana,

I don't  know if you are, but don't send automated DM messages to new followers on twitter. Many people don't like that, especially not when that automated DM contains links. There's a big chance that your newly acquired follower will get discouraged from reading anything on your timeline rightaway and will unfollow you.

EDIT: I see you are actively engaging in conversation, so that's a good thing. Then the following comes to mind: are you following the 'right' people? If there are a lot of people who won't follow you back, they might not belong to your target audience.

I don't know where you heard such a thing, but that's just not true.

Organic search and pay per click are not related at all in the sense that if you pay for clicks, your organic results automatically drop or go up.

On a side note; I wouldn't categorize this question as a technical SEO issue