Facebook may be the year's hottest stock issue -- but try getting a piece of it. Small investors will find the line long and hurdles high to get even a handful of shares.

And membership in Facebook's social network won't help, no matter how much you "like" the company.

Facebook frenzy is spreading ahead of the company's big-time stock market debut, with anything from Mark Zuckerberg's hoodie to the billion-dollar buy of Instagram sparking controversy.

Speculation about the promise or pitfalls of owning a piece of the world's leading social network was so feverish by the weekend that one report contended there was too much demand for the stock while another said it was lacking.

Iran's telecommunications ministry has barred local banks, insurance firms and telephone operators from using foreign-sourced emails to communicate with clients, a specialist weekly said on Saturday.

"The telecommunications minister has ordered the use of domain names ending with .ir" belonging to Iran, Asr Ertebatat reported.

The Internet is not a law-free zone, the government's top law officer warned Twitter users, adding that he would not hesitate to take action over offending posts.

Attorney General Dominic Grieve, the government's chief legal advisor in England and Wales, spoke out following a series of high-profile court cases involving postings made on the micro-blogging site.

Vicarious travellers and students of history can take a virtual stroll through the vast necropolis build by the ancient Egyptians in the Giza Plateau, thanks to a 3D Internet project launched this week.

The interactive recreation, to be found at www.3ds.com/giza3D, was put together by French design company Dassault Systems with material from the archives of the Museum of Fine Arts in Boston, Massachusetts.

Internet security specialists have applied for a ".secure" domain that they plan to turn into an online safe zone where bad guys aren't allowed.

San Francisco-based Artemis was awaiting word Friday from the Internet Corporation for Assigned Names and Numbers (ICANN) on whether it was approved to host websites with ".secure" addresses.

South Korea's Samsung Electronics on Thursday unveiled its new-generation premium television as global manufacturers seek to drive slowing sales with lucrative models.

The world's top TV maker will start selling the 55-inch (140 cm) model, which features advanced display technology, in Korea in the second half of the year, said Kim Hyun-Suk, the head of Samsung's TV unit.

Amazon said Thursday it has signed a deal for the electronic books rights to all seven Harry Potter titles in English, French, Italian, German and Spanish for its Kindle lending library.

The deal allows subscribers of the Amazon Prime service, which requires an annual subscription, to borrow the electronic versions of best-selling JK Rowling books.

Microsoft on Thursday said that it is weaving insights from user's Facebook friends into Bing results as part of the biggest revamp of the search engine since its launch three years ago.

A new version of Bing will be rolled out in the weeks ahead and was to be widely available in the United States in early June.

Bethesda Softworks on Thursday announced that its "Dishonored" videogame featuring a betrayed bodyguard turned supernatural assassin will hit in October.

The title being created for Bethesda by Arkane Studios will be released in North America on October 9 and in Europe three days later.