Share Web 2.0

A recent poll, conducted by Harris Interactive and Right Now Technologies in an article called Agencies Fall Short on Web 2.0 , was conducted to assess the differences in how Web 2.0 is being used by the public and private sectors, …

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Web 2.0: Is the public sector really behind the private sector …

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I am 15, some say my age is why (not 18). But I dont feel like changing it right now. Also, my profile is viewable by everyone, but I guess my blog isnt. Is there a way I can do it without changing my age?

I wrote a blog last year and set it to be viewable by friends only at the time, and I’m afraid that if I try to change it now, it will delete the entire blog and the ten or more comments from friends that accompany it. Help!

This should be a feature of yahoo 360. I have three years of blog posts, and now I have some new content I’d like to start adding, but don’t want new viewers to read my old posts. I don’t want to delete the old posts because I’ve put in a lot of work into those posts.
Since I don’t seem to be able to do this, is there anywhere I could refer my readers to see my new posts on some other location?
Any help would be appreciated.

I used to have the everyone tab, but a few months ago Twitter changed the settings of the homepage and it was taken off. Is there any way to get it back? Do I have to download a new app?
Thanks!