There are some technical solutions for the problem of distraction online. Some of these are addons for browsers while others affect the whole computer. :)

https://addons.mozilla.org/en-US/firefox/addon/leechblock/

https://chrome.google.com/webstore/detail/gpdgmmdbbbchchonpf...

http://anti-social.cc/

http://blog.binaryswitch.com/2010/02/binaryswitch-eclipse.ht...