1. Startup marketing: should be easier to get a list of all blogs that you can contact. Also I found that the contact forms are next to impossible to find on a lot of sites

Solution: site that lets you generate a list of sites to contact. With direct links to that site's contact us page.

2. New Season TV updates for basic cable, you know what I'm talking about you watch a TV channel and they keep repeating the same shows 20 times over.

Solution: site that let's you "follow" a show + channel, and get notifications when that channels starts airing a new season.

3. Where are they now? Where are all of those celebrities, politicians, musicians that have retired from the public eye? What are they doing now?

Solution: IMDB like site for retired personalities. Would show things like,

   Name: John Doe
   Famous For: Congressman from XX from 19xx-19xx
   Latest TV appearance: Youtube link
   Current Occupation: Lobbyist for ______

or

   Name: James Doe
   Famous For: Actor(Movie #1(amazon link) - Movie #2(amazon link)
   Latest TV appearance: Youtube link
   Current Occupation: retired in Florida, spends his spare time working on his bikes.