How can I find my competitor bloggers keywords for which they ranking most without any tool?

I have a query to all the email list builders. There are many site owners who owns a number of sites in different niches. So, here is a query that did they take all the email addresses of all niches and make a huge list of emails. Or they just put them in separate lists? Which one is the better and more productive.

In this month, Yahoo announced that they had an agreement with Google that will deliver Yahoo search results and includes opportunity to select among the providers of search results and ads. There was a sign of this update in July because Yahoo are implementing the testing of Google search results within Bing search engine results page. The contract agreement has a three-year partnership with Big G to boost their search results features and capabilities. This deal includes mobile and desktop traffic within U.S. and other main markets worldwide. On the other side, In Mobile, there is no agreement and we have to wait as well as see what will be the results for them.

My blog urls are getting indexed in the Google very slowly. I checked my webmasters tool account I am giving about 12 updates a month but only 2 or 3 urls are getting indexed properly. What should I do?

What is best possible way to promote a new Android app? To get maximum downloads.

Tell me something about Googlebot.

Share your experiences about SEO plugins which you had used and which are using in your wordpress blog. And also share in your opinion which is the best.

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I have no idea about ppc please tell me how can i create a ppc ad and what are the major which keep in mind when preparing a ad.

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I want to know that What is the 3 way linking ?

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What is the Ping Submission