▁time , ▁though ▁this ▁is ▁also ▁less ▁convenient ▁than ▁the ▁D V R ▁technology ▁since ▁DVD ▁disc s ▁are ▁somewhat ▁more ▁frag ile ▁than ▁vide ot apes , ▁although ▁both ▁medium s ▁allow ▁to ▁some ▁extent ▁for ▁longer - term ▁view ing ▁than ▁most ▁D V R s ). ▁D V R ▁technology ▁allowed ▁wide - scale ▁time ▁sh ifting ▁of ▁programming , ▁which ▁had ▁a ▁negative ▁impact ▁on ▁programming ▁in ▁time ▁sl ots ▁outside ▁of ▁prime ▁time ▁by ▁allowing ▁view ers ▁to ▁watch ▁their ▁favorite ▁programs ▁on ▁demand . ▁It ▁also ▁put ▁pressure ▁on ▁advert is ers , ▁since ▁D V R s ▁make ▁it ▁relatively ▁easy ▁to ▁skip ▁over ▁commer ci als ▁( s at ellite ▁provider ▁D ish ▁Network ' s ▁Ho pper ▁technology , ▁which ▁elimin ates ▁commer ci als ▁entirely , ▁was ▁even ▁the ▁subject ▁of ▁law su its ▁by ▁the ▁major ▁networks ▁during ▁the ▁early ▁and ▁mid - 2 0 1 0 s ▁due ▁to ▁fear s ▁over ▁dil uted ▁advert ising ▁re venue ). ▁ ▁During ▁the ▁ 2 0 0 0 s , ▁the ▁major ▁development ▁in ▁U . S . ▁television ▁programming ▁was ▁the ▁growth ▁of ▁reality ▁television , ▁which ▁proved ▁to ▁be ▁an ▁in exp ensive ▁and ▁entertain ing ▁alternative ▁to ▁script ed ▁prime ▁time ▁programming . ▁The ▁process ▁of ▁non linear ▁video ▁editing ▁and ▁digital ▁recording ▁allowed ▁for ▁much ▁easier ▁and ▁less ▁expensive ▁editing ▁of ▁mass ▁amounts ▁of ▁video , ▁making ▁reality ▁television ▁more ▁vi able ▁than ▁it ▁had ▁been ▁in ▁previous