A "She'll check databases (.) but rarely books,even thoughshe admits that an author who spent years on a 300-page book might have a unique perspective". (lines 24-27).
B "Otherwise, they might as well not exist". (line 32).
C ". Yahoo and Microsoft are committing hundreds of millions of dollars collectively to scan books and other printed materialssothey can be indexed and retrieved online." (lines 35-38).
D "Meanwhile, television shows formerly locked up in network or studio vaults are starting to emerge online". (lines 39-40).
E "Instead ofwasting time finding information, they can focus more on assessing its worth." (lines 60-62).