I have tried a million but can argue these tools are the most important tools for me. This is highly personal.
Hootsuite (schedule tweets, see influencers, check keywords)
Exportly (map influencers)
SocialMention (Share of voice)
Bit.ly (url shortener that gives you stats on how many have clicked on your link)
Blogpule and technorati (blog info)
http://twitterfeed.com (Feed your blog to Twitter)
Twitter advance search (highly underestimated!)
Instagram (makes amazing photos)
http://forrester.com/empowered/tool_consumer.html (check the tech profile of your target group)
Tools and sites that I dont necesarely use on a regular basis but like are:
http://tweetmeme.com (makes it easy for your visitors to share your content with their Twitter followers)
http://www.hashtracking.com (tracks hashtags)
Netvibes (great dashboard similar to Google Reader)
http://inboxq.com (Find people asking questions about things you know)Tweet
Nice ... However you totally focused on twitter!!! I will be very happy if you can also buzz something related to facebook or digg... :) Thanks in advance!! I like few tools like :
ResponderEliminarhttp://twitterfeed.com (Feed your blog to Twitter)
Twitter advance search (highly underestimated!)
http://inboxq.com (Find people asking questions about things you know)
Thanks for great share!!
Hi Samy! Thanks for the comment. Well there is one tool called Kurrently (http://www.kurrently.com) that scans Facebook too. Also for example Hootsuite you can use to schedule Facebook posts, not only Twitter updates.
ResponderEliminarCheck out my latest facebook Strategy post if you wanna read more about facebook.
http://socialinbcn.blogspot.com/2011/05/create-facebook-strategy.html
I am not the biggest big fan of social bookmarking and I honestly dont use it that much. I used to use both Digg and Delicious but didnt have time :-( Sorry I cant help you with that.
Cheers and have a good day!