Tokyo is world’s most expensive city while Karachi is the least

A survey released from the Economist Intelligence Unit revealed that Karachi, Pakistan’s economic hub is world’s least expensive city while Tokyo, Japan is world’s most expensive.

India’s Mumbai and New Delhi are also among the bottom 5 cities.

Worldwide Cost of Living 2011

European cities covers almost half of the top 50 having 4 of them in the top 10 including Paris, Zurich, Frankfurt and Geneva.

As Australian dollar is getting stronger, the cost of living in Australian cities is raising day by day. Sydney, Melbourne, Perth and Brisbane are among the top 15 most expensive cities.

American cities rankings are generally on the drop with New York at 49th position among world’s most expensive cities.

Top 10 cities

1. Tokyo
2. Oslo
3. Osaka
4. Paris
5. Zurich
6. Sydney
7. Melbourne
8. Frankfurt
9. Geneva
10. Singapore

Bottom 5 cities

129. New Delhi
130. Tehran
131. Mumbai
132. Tunis
133. Karachi

Facebook launches video chat with Skype

The world’s number 1 social networking giant Facebook has introduced video chatting feature in partnership with Skype (an internet calling service) on Wednesday. The feature is introduced a week after Google introduced a video chatting tool called ‘Hangouts’ with its social networking service Google+ . Google has limited the number of users at the moment.

The agreement, announced by Facebook Chief Executive Mark Zuckerberg at the company's Palo Alto, California, headquarters on Wednesday which also unveils the company's relationship with Microsoft Corporation as Microsoft in the process of buying Skype.

Mark Zuckerberg, Facebook’s founder and chief executive said, “The new feature allows users a way to connect with friends other than just posting messages”. Zuckerberg said, “Facebook has hit a record 750 million users. The new service, rolling out from Wednesday, could be a huge boost for Skype, which currently has about 145 million regular users”.

The feature will display a "call" button at the top of users' profile pages. By clicking that, Facebook users can talk to each other as long as they have webcams. The company began turning that service on for millions of users on Wednesday and will add it to more accounts over time, a Facebook spokesperson said.

Facebook also added a group messaging function to its existing one-to-one text chat but Google+ has an edge over Facebook’s video chatting facility as ‘Hangouts’ let users video chat with several friends at a time. Zuckerberg hinted that video chat for multiple people could eventually be available on Facebook. But he said that most video chats today occur between two people.