Heba El-Sayed presentation...

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M4V (Source) 1280 x 720 362.16 MB
FLV (Flash) 640 x 360 52.36 MB
FLV (FlashHD) 1280 x 720 115.78 MB
MP4 (480p) 640 x 360 39.65 MB
MP4 (720p) 1280 x 720 120.76 MB