Quality Twitter feeds and mainstream retail — do they go hand-in-hand?  Not always.  But maintaining an oft-updated Twitter account is de rigueur these days, which is why it’s worth singling out the companies who are writing tweets that are well worth reading.  Generally positive, on-topic without being overwhelmingly promotional, and punctuated with useful brand information, these 10 retailers know how to kick it in 140 characters.

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