But for major corporations who have expendable income sure but dont they all ready have name recognition and once again your missing the local aspect which is way more important on YouTube.
When Singleton and Scudder have tried metro dailies, they dont buy prime properties -- monopolies, that is -- that only giants like Gannett and Knight-Ridder can afford.
Also about synergy power betwen them perhaps I would add the fact that together they dont overcome their competidors in nothing exept for build quality Nokia phones have and the new concept of UI WP7 has and some services like office wich has not atracted many users yet.