▁a ▁z ett aby te ▁only . ▁In ▁ 2 0 1 3 ▁that ▁amount ▁of ▁information ▁( 5 ▁ex aby tes ) ▁took ▁only ▁two ▁days ▁to ▁create ▁and ▁that ▁pace ▁is ▁continu ously ▁growing . ▁ ▁De fin itions ▁ ▁The ▁concept ▁of ▁the ▁Z ett aby te ▁Era ▁can ▁be ▁separated ▁into ▁two ▁distinct ▁categories : ▁▁ ▁In ▁terms ▁of ▁IP ▁traffic : ▁This ▁first ▁definition ▁refers ▁to ▁the ▁total ▁amount ▁of ▁data ▁to ▁traverse ▁global ▁IP ▁networks ▁such ▁as ▁the ▁public ▁Internet . ▁In ▁Canada ▁for ▁example , ▁there ▁has ▁been ▁an ▁average ▁growth ▁of ▁ 5 0 . 4 % ▁of ▁data ▁downloaded ▁by ▁resident ial ▁Internet ▁subscri bers ▁from ▁ 2 0 1 1 ▁to ▁ 2 0 1 6 . ▁According ▁to ▁this ▁definition , ▁the ▁Z ett aby te ▁Era ▁began ▁in ▁ 2 0 1 6 ▁when ▁global ▁IP ▁traffic ▁sur pass ed ▁one ▁z ett aby te , ▁estimated ▁to ▁have ▁reached ▁roughly ▁ 1 . 2 ▁z ett aby tes . ▁ ▁In ▁terms ▁of ▁all ▁forms ▁of ▁digital ▁data : ▁In ▁this ▁second ▁definition , ▁the ▁Z ett aby te ▁Era ▁refers ▁to ▁the ▁total ▁amount ▁of ▁all ▁the ▁digital ▁data ▁that ▁exists ▁in ▁any ▁form , ▁from ▁digital ▁films ▁to ▁trans pond ers ▁that ▁record ▁highway ▁usage ▁to ▁S MS ▁text ▁messages . ▁According ▁to ▁this ▁definition , ▁the ▁Z ett aby te ▁Era ▁began ▁in ▁ 2 0 1 2 , ▁when ▁the ▁amount ▁of ▁digital ▁data ▁in ▁the