My favorite Keyword Research tools at the moment (which I very rarely see anyone talking about) are from Microsoft...

Yea I said it... ya wanna fight about it??? (Family Guy reference... )

Keyword Research: Microsoft adCenter Labs :: Advertising and Data Mining Tools: Microsoft adCenter Labs

Keyword Forecast :: Keyword Forecast: Keyword Research: adCenter Labs

This tool forecasts the impression count and predicts demographic...

I was just doing some research and put together a list of resources to keep your ear to the ground of the Twitter Hot Trends pulse...

Twitter Search :: Twitter Search
The simplest way to see trends on Twitter is on their official search page. Hot trends on Twitter appear on the search page and on the Twitter homepage, and clicking any will bring up a feed of the public conversation.

Twithority :: twithority (twithority) on Twitter
Twithority...

Here’s a simple yet powerful article niche research tool I put together over the weekend:

What it does is use google’s advanced search strings and let’s you search for the most viewed, latest hot articles. You can search by date, views, and more… I’ve added 10 of the Top Article Directories to the search function so far:

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I'm going to keep this nice and simple, short and sweet to the point...

Here's a simple viral backlink building technique that anyone can use with great success...

Setup a 'Reciprocal Link Directory'

The way these reciprocal link directories work is they require a backlink to the directory itself before you allow the submitted link to appear in your directory... thus providing you exponential backlinks from everyone that wants to submit their link to your directory....

Check out this excellent video showing you not only how to locate RSS feeds but also a list of where you can submit them for free:

RSS Trick For Getting Instant Backlinks - AffiliateNicheMonster.com

This video shows very interesting possibilities of combining niche feeds from all around the internet, therefore increased traffic should increase your PR overtime and once setup should run by itself.

Hope you find this as useful as I have, and please feel free...