Set your goals around traffic and optimize your website for targeted visitors, the revenue will follow..

Did you track your content being shared on those sites? How much amount of traffic it yield? IMO, if users are not using them it is just useless.
I have checked your site and find you're passing...

If your goal is just to increase your site traffic I think you should optimize your site for targeted keywords because it will help you to appears your website naturally in Google search results....

Optimize your website for organic traffic targeting potential keywords .

You can also try out magento- an open-source shopping cart solutions.

There could be multiple reason it disappearing from search results, try out to find the issue through the diagnostic area from google webmaster tools and try out to fix.

It's not just backlinking would help you to market your site, you need to have also good content in your website and optimize your keywords to perform better in SERPs.

In my experience using social media for marketing events works nicely, it could be great strategy.

Depends on your interest and expertise level in specific field, did you started looking into freelancing sites?

You may get good response promoting it to gaming social networking sites, here is the list of sites; http://rotorblog.com/2008/09/21/24-social-networking-site-for-gamers
Before promoting in social...

Although this is very saturated niche, depends on the traffic volume of your blog. Good conversion typically depends upon how well you optimized your site and the number of targeted visitors your...

Do you mean multiple domains hosted on the same server?

What method you've used so far? Did you've done the SEO of your site?

Also they hold good brand and constantly doing rebranding.

I am not sure the traffic would be targeted if you're going to buy the traffic, better you should optimize your site for UK specific organic search results.

Sorry, So my post can be considered as duplicate content. :)

This should go like normal site submission; http://www.google.com/submityourcontent/index.html

Banners will help you in visual branding of your product/services.

Here is the Myth about duplicate content discussed by Matt Cutts; http://www.webpronews.com/topnews/2009/09/16/google-busts-the-duplicate-content-myth

Since you're in website designing & Development business try out to create unique presentation or something that can help you boost up traffic through video marketing.

It help in exposure by enhancing your visibility but I don't think it help you in conversion what you can expect with organic search traffic.

Not sure about that but PayPal allows donation button for getting payment for a non profit organization but they will need many documentation. More info:...

^ The results of video marketing depends on the quality of content you post.

It's like squidoo-A place to publish and share your content.

Good tools to share your success stories and expertise in specific field.

Google Analytics is great tools especially if you're using Adwords program.

The content you are going to create should be interesting and interactive so you may need to develop in-house interactive marketing team or hire a professional video makers.

Good to measure the value of “upper funnel” keywords.

Thinking to create our channel there to produce few interactive content. :)

As far my knowledge Squidoo is not a press release site it is a social networking site that allow users to create webpages on your interests and do recommendation.. If you're looking site similar to...

I don't think good impression for "Flash" would help for good conversion.

SEO is part of SMO- Can you elaborate this?

High PR directories preferably with do follow links.

Yea that might be a good selling point. :)

Best tools to get idea about market trends before launching a product or service.

I think you're talking about this add-on from firefox? ; https://addons.mozilla.org/en-US/firefox/addon/5687

Yes, you should also respects the intellectual property of others.

The consumer feedback directly affects market signals with the possibility of word of mouth and hence it add value to actionable insights of your marketing strategy.

Using variations is advisable but why you will point all of them to home page? If you use variations point them to specific landing page.

Google adsense is better because I heard YPN is not paying publishers for the clicks outside the US.