The ever cleaver Gina Trapani from Lifehacker documents how to Create your master feed with Yahoo! Pipes. What is your master feed? Well is is an aggregation of your feeds from all your social networking sites like Flickr, del.icio.us, or any other site that provides you with an RSS feed of your activities.

Searching for a fresher taste offers brilliant insight on the importance of Yahoo!s recent purchase of del.icio.us and it’s impact on the future of search and social networks.

There is now an official del.icio.us firefox extension available directly from the fine people who created the public bookmarking service. The extension provides nice integration of del.icio.us’ features into Firefox.

del.icio.us has a very cool new feature that turns any link to an MP3 file within a webpage into an interactive and embedded media player. playtagger gets used by including a simple <script> element onto your webpage, which in turn replaces all anchor elements that point to an MP3 file into a small Flash-based media player.

Diggdot.us is an aggregator that compiles a list of the most popular stories/items from digg.com, slashdot.org and del.icio.us.

Tagrolls is a new feature added to the popular del.icio.us public bookmarking tool that let’s you place a tag cloud of your del.icio.us bookmarks on your own web site. Set a couple of parameters, copy the JavaScript source code, then paste it into your website.