How to click start conversion in an exponential rate?

I just got a pretty massive email list from a co-worker who claims them to be good and opti-in. Is there anyway to verify them.

Do you agree that Mobile is the best way to do eCommerce Marketing?

My website received the bad backlinks from low quality website. How can I remove it from my website?

I want to promote the blog content. Which are the best websites to submit the blog content?

If I make all the links from my site no-follow then also will I be leaking link juice?

Sudden ranking drop for some keywords in our site. Its been over a month and they are gradually decreasing.

I know its maybe a stupid query but I had to know, are there any certain number of pages that has to be published before we can get ranked in the Google SERP's?

I mean when it comes to writing I am not so much experienced. The problem is I know a little about content writing because of poor knowledge of article writing. I am confused because of this thinking that how rapidly I can develop my English writing skill?

I have got few tickets of a business convention which I am trying to sale to some business owners in our community. Any tips?