If you create a page and you have multiple administrators, now you will be able to see, on any post, which administrator created that post.
An Advertising Standards Authority ruling states that Kronenbourg beer is not French, despite the efforts of Eric Cantona to say otherwise in an adverisement that plays on the 1664 tradition of the lager.
If you write articles just to place them on third party sites, just to create links for Google to read, you should take a serious look at this practice. I won’t say you shouldn’t do it – after all, you have a right to publish anything anywhere if you see fit. If you are doing it blindly though, or if you are paying someone else to do it and they are doing it badly, you could soon be seeing a drop in the traffic you get from search results.