About 20 million U.S. homes subscribe to VOD services, according to media business analysis firm Kagan Research.

FORBES: The TV Tussle

According to media business analysis firm Kagan Research, in early 2003 there were less than 1, 000 cable VoIP subscribers in the U.S. By the second quarter of 2004, there were 141, 800 customers.

FORBES: Cable Finds Its Voice

Political ads have been broadcast more than 2.6 million times in the two years since the last national elections, according to the Campaign Media Analysis Group.

CNN: Anger, advertising dominate U.S. mid-terms

There were angry reactions from mothers, according to Storyful, which aggregates news analysis and social media reactions to events, many worrying that Time's coverage will make it harder for women to breastfeed in public.

BBC: Magazine

Obama has outspent McCain by a 2-to-1 margin in the state during the past two weeks, according to an estimate by TNSMI-Campaign Media Analysis Group, CNN's consultant on political advertising.

CNN: Battleground roundup: Can Obama win in the South?

But according to the Brennan analysis of the largest 75 media markets, the parties have opted to run their ads only in states where the presidential race is competitive.

CNN: latimes.com: Studies find political ad spending spree

According to his analysis, the traditional Times franchise had been suffering steady erosion as a result of heightened media competition and the encroachment of the internet.

ECONOMIST: The newspaper industry

"Amazon retains more than three quarters of the market in the UK according to the publishers I've spoken to, " Benedict Evans, Enders Analysis's digital media expert, told the BBC.

BBC: Kobo unveils Aura 'high definition' ebook reader