What does it mean 'Website Silo Structure'?

Google Fluctuations were very high on 8th Jan. Has anybody noticed it? Mozcast has showed about 89 degrees which is very high according to many months previous data. Any kind of ranking changes?

What kind of CPA offers can get more success in Facebook anonymous crowd? I am not asking about ad networks I am asking about the type.

Social Traffic or Organic Traffic, which kind makes you the most money? Share your opinions.

Can anybody suggest me some good conversion optimization books? I will be very glad for that.

What is a good Content Marketing Analytics tool?

The costs involved in the development of an Android app depend on the following basic classifications:

- A standard application, with a database as the back-end
- An enterprise app, where data is stored both in the device and on a server
- Gaming applications

Besides these, the development costs also depend on the number and type of features to be incorporated into the application.

Does a single page's ranking depends on the content of other pages? I mean clearly if I publish an article in a blog which is of my niche that's good but does the other articles already been published in that blog factors my page's ranking?

http://www.ncentrictech.com/seo-services.html

Can any body suggest any good video publishing sites other than Youtube? I want to publish my tutorial videos of my niche in order to get more exposure.