W?th th? ?nv?nt??n of th? d?g?t?l ??m?r?, m??t ?f us have l?rg? ??ll??t??n? ?f ?h?t?? ?n ?ur ??r??n?l libraries. S?m? h?v? ?h?t?? in ??v?r?l l?br?r??? like iPhoto, Picasa, ?nd Fl??kr. Am?ng?t the hundr?d? of photos w? h?v?, th?r? are m?n? that w?uld ?u?l?f? as ?t??k ?h?t??. Th? photos th?t w? identified as stock, ??n b? uploaded t? a numb?r of d?ff?r?nt ?h?t?? ?t??k sites. On?? th?r?, th?? are made ?v??l?bl? for purchase and download t? ?nt?r??t?d buyers.