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... may have identified a characteristic change that occurs as stress builds within a company: employees start talking directly to people they feel comfortable with, and stop sharing information more widely.

The optional charging plan is meant for those organisations that send a lot of e-mail and do not want their messages mistaken for spam. Organisations that do not want to sign up will be able to send mail the old-fashioned way. ... The service is intended to tackle spam by making it expensive to send messages. Currently so many e-mail messages can be sent for free that tiny response rates mean spammers can easily make money.

A new internet service allows Christian subscribers to send emails to non-believing friends and relatives after they have died.

Google Buzz is a new way to start conversations about the things you find interesting. It's built right into Gmail, so you don't have to peck out an entirely new set of friends from scratch — it just works. If you think about it, there's always been a big social network underlying Gmail. Buzz brings this network to the surface by automatically setting you up to follow the people you email and chat with the most. We focused...

Imagine loading Gmail and noticing that all your messages have been deleted. This is a real problem for many Gmail users who thought that they lost all of their messages.

Bitcoin is an electronic currency that can be traded directly on the internet, members don't even need to have a bank account. Its value is fluctuating significantly, but creators claim it will do to the banking system what emails did to the postal service.