Here is an excellent article written by Rachel Devine discussing the costs and even a couple benefits of shooting in burst mode. Even if your not an old school film shooter like me, its well worth the read and actually reaffirms the need to look at what your shooting, and talk with your model rather than just holding down the button and hoping for the best.

http://digital-photography-school.com/bursting-the-burst-mode-myth-what-i-learned-from-shooting-with-film

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