Using email for almost everything from FTP downloads/uploads or Free WEB site hosting to using it for gatter FINGER or WHOIS information (telnet is still not available :)
SelfControl is an OS X application which blocks access to incoming and/or outgoing mail servers and websites for a predetermined period of time. For example, you could block access to your email, facebook, and twitter for 90 minutes, but still have access to the rest of the web. Once started, it can not be undone by the application, by deleting the application, or by restarting the computer – you must wait for the timer to run out.
Google has rolled out a subtle change to Google Reader that lets you create custom feeds to track pages that don’t already have them. You can subscribe to updates for any webpage simply by typing the URL into the “Add a subscription” text box.