For this you will have to read guideline of every article website.
As far as i think it helps to increase back-link and improves search engine ranking. Nothing else. What do you think?
Hi guys no pr update since 2nd of august 2012. From where do you read this news? Can you share with me?
Yes my expectation is in second weeks of november 2012. It would be but not sure.
Hi guys nice site your have shared. Thanks for sharing such a nice blog posting site.
Press-Release is like a news or event. If any event related to the service that you provide come out then you should ask it's user through...
You should post one article daily but it should be unique content and should be user friendly otherwise your link may be count as spamming.
Yes it not an issue to de-index a website due to 24h down-time by Google. But your keyword ranking may be decrease.
You should contact the admin of the blog and request him to remove your link from there.
Separate names with a comma.