This Financial Times article about the enormous quantity of photos received by news media associated with the London bombing. The BBC alone received “more than 1,000 still pictures of the unfolding events and 300 different bits of amateur video”. Helen Broaden - BBC director of news - is quoted as saying that “the gap between the professional and non-professional news gatherers is getting narrower”.
Another piece of evidence for this would be the growing interest in Blog postings, the London Times has a roundup. (Link from Tim Worstall).
Feed: A Fistful of Euros