Ok, before you start registering your spam blogs and adding every single relevant Technorati tag to your blog profile, you may want to ask yourself… is this good for search? Then again, maybe not.
From the SEOmoz post, Lord of Yahoo Short Tail:
The question really should be – are Technorati tag pages deserving of their rank? Do they provide high quality information that Yahoo! searchers find useful for these single word terms?