What data type to use for variable lenght data for performance
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        Published on 2010-05-29T07:44:00Z
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what data type shld i use for data that can be very short, eg. html link (think twitter), or very long eg. html blog post (think wordpress)
i am thinking if i use varchar(4000), it maybe too short for a html formated blog entry? but if i use text, it will take up more space and is less efficient? 
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