Interesting sites

http://www.mailbucket.org/
MailBucket is an experiment in alternative methods of email management. For now its only feature is a public
email-to-RSS gateway: forward your email to slurp@mailbucket.org and have your news reader
pick it up at mailbucket.org/slurp.xml (where you choose slurp, having checked that it's not already in use).

http://www.flashphone.ru/en/main
Flashphone is a free-of-charge web-service which allows you to call from the internet page.
You don't need to install anything*. All that is necessary for calls
- headset and sufficient bandwidth of your internet connection. Never before the IP-telephony was
such simple and accessable.

http://www.drop.io/

Drop.io enables you to create simple private exchange points called "drops." The service has no email signup and no "accounts." Each drop is
private, and only as accessible as you choose to deliberately make it.
Create multiple drops, add any type of media, and share or subscribe as
you want. To make a drop just click the big red button that says 'drop
it.. UPTO 100MB