How much email marketing campaigns are effective for local business?

Suddenly, one of my mobile apps start getting huge amount of downloads from China but there is nothing on admob. I know that Asian traffic are not so great but downloads from India and other countries atleast have some impressions on admob.

I many cases going viral users think about it as high conversion rate? Is this true?

Provide me some tips and tracks about user engagement in Linkedin.

How to do content marketing for a newly founded forum???

Share your Adsense earning stats. I would love hear about how much people are earning from adsense. And others in this forum will also get encouraged from it.

Can anybody provide me some information about this 'Whatrunswhere' ad network. I could really use an honest review.

I am seeing this Penguin update is targeting single pages which are referred or linked from low authority or spammy sites. Only single page is effected in this case where the links are linking and not the entire site. Are you guys seeing this too?

The last Penguin update really is fluctuating the SERP's like any other before. I have been experiencing huge loss and gain in traffic everyday. What do you guys think about this last update?

It is really wise to invest in Yahoo ad network rather then from Google Adwords? I mean people now-a-days keep saying that Google traffic is worthless. But I don't want to use Yahoo because it needs big bucks.