What is many companies’ attitude towards chatting online?

It’s been used for years by computer owners to chat online but most companies ban it from the workplace. Now instant messaging is one of the hottest applications on office computers and some companies are encouraging it. (22) Instant messaging or IM is a real-time real-exchange between one or more online computer users. It’s faster than email and it allows you to see if someone is available to chat. IM now allows you to video-conference and share files. It’s even available on mobile phones and PDAs.