In terms of SEO a Bad Neighborhood effect appears when you link to bad sites(bad neighbors). Usually the bad neighbors are the warez sites, hacking sites, pornography sites, link farms. A bad reputation can have also sites like script generated sites, sites with duplicate content, sites generating incoming links using bots.
You have to be carefully [...]

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I’m compiling a list of Social Media Digg Clones sites containing the best resources for Internet Marketing Niche: SEO, SEM, SMO, Online Advertising. Here are the sites you might use to find the top stories and to share your favorites stories:

Sphinn.com - is the leader in this niche. Sphinn is an digg [...]

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Everyone wants to reach the first page of social bookmarking and social sharing sites. On the other side there are many people describing that being on first page of digg or similar sites don’t have long term effects.First of all, reaching the first page of an important social bookmarking site will bring a [...]

I just found some threads on forums stating that Google removed from the Webmaster Guidelines Page the 2 lines referring to directory submission and incoming links:* “Have other relevant sites link to yours.”
* “Submit your site to relevant directories such as the Open Directory Project and Yahoo!, as well as to other industry-specific expert sites.”

SMO (Social Media Optimization) is a set of methods and techniques to promotes websites, web pages and in a wider sense, products and services, through social sites. The term of SMO is similar with the SEO(Search engine optimization) applied for social sites.
The most simple SMO techniques used by everyone are:

embedding “digg this” like buttons into [...]

When a page reaches some top social bookmarking sites, the position of in SERP(Search Engine Results Page) and the page rank are improved only for a limited time period. When the page disappears from the bookmarking sites, the position in SERP tend to come back to the old position and rank.
The benefits can not be [...]