Social bookmarking site del.icio.us released a website widget today that publishes the quantity of bookmarks and highlights most popular tags for a page in your site.

Launched this month, Spokeo combines MySpace, LiveJournal, Flickr, YouTube, and 20 other social networks together. It allows members to track friends' blogs, photos, and videos in a constantly updated "news stream".

Spokeo is a personalized aggregator that simplifies user's online lives. In addition to combining social networks, Spokeo supports RSS/Atom feeds. This means that people can also access Spokeo to keep up with news, web comics, stock updates, and other syndicated content.

On Monday, December 18th at 8 pm ET, Brian Clark of Copyblogger will be joined by four other co-hosts as they will be talking "about all sorts of topics relevant to social media marketing" says Clark. To listen to the show, visitors can call 646-915-8556 at the scheduled airtime.

On Tuesday, December 19th at 9 pm ET, Sean Wu will be sitting down with SEO and social networking expert John Caviani. Topics will include how to quickly and easily set up your own social bookmarking sites to drive traffic, the most important components a social bookmarking site must have, and linking strategies for optimal SEO results. There is no cost for the call. The number for the call is 712-432-3900, pin 2202542.

On his Search Engine Journal blog, Loren Baker calls attention to two great blog posts about Digg. Baker first points to a post by Todd Mailcoat that gives readers an introduction to Digg from a search engine marketer's perspective. Next, Baker shows an analysis done by Michael Gray describing how getting a story "buried" on Digg is not as bad as it seems.

Read Baker's post at the Search Engine Journal.

Anik Sengal publishes a monthly magazine for affiliate marketers and program managers has been released. In this issue, Katalin Torok covers how to use use Social Networking tools for niche market research. Cost-Per-Action campaigns are also covered and how they can quickly increase your income. Lastly Evelyn Grazini writes on how to pick a niche and presents ideas on determining a niche's potential profitability. The October issue is available from the Affiliate Classroom website.

Mack Collier has released some Alexa statistics showing how the top social media sites stack up with each other. Collier uses Alexa data to rank the sites and opines on the futures of MySpace, YouTube, Flickr and more. View Collier's full commentary on his blog.

Steve Rubel shares a great hack using the social bookmarking site and shorttext.com to attract the attention of reporters and bloggers. Rubel cites the example of a means to publicize an open letter, but the possibilities for the technique are numerous. Read Steve's post here.

Social networking site TagWorld announced today that it has added a live video chat service, dubbed "TagWorld Video Chat", which allows its members to chat with one another with or without having to be logged into the TagWorld site. The service will be free to members and is available in desktop and Web-based versions. Read the full press release on BusinessWire here.