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1.
The unfortunately much more common alternative to photographic memory, ie, only remembering potentially memorable moments in short snippits.

Frustratingly short recollection of an important event.
Why don't I remember anything from my lectures when my exam is tomorrow?! Damn snapchatographic memory!!!

That girl that I took home last night was soooo hot! If only I could remember her face! Fucking snapchatographic memory, you strike again!
by Dirty Ramboss June 07, 2013