"Webchunks is a Firefox3 implementation of Microsoft Webslices (feature appeared with IE8). It allows you to "follow" an area of a web page through a dedicated feed bookmarked in a new toolbar."
"Hier geht es vor allem um schnelle wie bequeme Bedienweisen. Auch das Ausblenden von Störendem und Überflüssigem auf Webseiten und in der Browseroberfläche wird ausführlich behandelt."
Mit Rollyo kann man eigene Firefox Search-Plugins erstellen. "Rollyo offers the ability to search the content of a list of specified websites, allowing you to narrow down the results to pages from websites that you already know and trust." BBC World
Twitter pages now include: * Photo sharing with embedded flickr photos * Video sharing with embedded youtube videos * Shared tinyurls are unwound so you know where they link to * All links are mapped to their web page titles * Additional user information is mapped to twitter users thanks to data conduits via 30 Boxes (e.g. flickr accounts, blog posts, del.icio.us links, and tons of other social media!)
"This extension generates random disposable email addresses. You can use these email addresses for registration in forums, adult sites or whereever..."