You are stuck into the problem that your WCF application don't support more that 5 users simultaneously? Check it here the answer to your problem.
Easiest way to get the data from RSS Feed.
How to establish the correct url of application no matter the server on wich is running the application without configure it in the web.config
The passing of POCO objects to sql procedure is inspired from the Data Mapper tool that I am currently using in one project. Itried to make it very simple for our team.
I met here some useful things: