WebClient vs HttpClient vs HttpWebRequest

All the clients explained.

http://www.diogonunes.com/blog/webclient-vs-httpclient-vs-httpwebrequest/

To quote from the link:

• HttpWebRequest for control
• WebClient for simplicity and brevity
• RestSharp for both on non-.NET 4.5 environments
• HttpClient for both + async features on .NET 4.5 environments