1.   But the networks have scrambled to keep them on the air for another year in an attempt to stem audience erosion.

2.   Although there has been some audience erosion in the past decade, it is minor compared to the losses in prime-time entertainment.

3.   And so the networks, under pressure to halt audience erosion and dwindling profits, have become doggedly focused on the generally more affluent white households that advertisers seek.

4.   Audience erosion is at an all-time high.

5.   But they are aware that as a television production, the Oscar show, while still very successful, has suffered audience erosion in the last few years.

6.   The great audience erosion from CBS News to CNN constitutes a microcosm of too-long-ignored opportunities unearthed by microsegmentation.