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Dell  continues its bid to challenge competitors and stay afloat in the declining market for personal computers. The company shifted its focus to producing tablets and notebooks.  Dell  just announced their Venues 7 and 8 and XPS 11, 12 and 15. Can the company compete against the big guns?  View Full Image Dell Venues 7, 8 and XPS 11, 12 and 15 challenge iPad and MacBook Pro The star of the lot is Dell's latest XPS 15. It packs a quad-core processor plus a quad HD+ display. It offers a resolution of 3,200 x 1,800. This is five times more pixel support compared to high-definition displays on many notebooks today. It weighs less than 4.5 pounds and measures 18 mm thick.  "The most powerful XPS laptop we have ever shipped," said Dell's vice president of computer group, Sam Burd. According to several sources, this may be true, as the market's interest is shifting towards their XPS offering.  Mr Burd also said that the company's "strong

More Nigerians have joined the continent’s billionaire league, according to a new study undertaken by African business magazine and news service, Ventures Africa. The new rich list names Abdulsamad Rabiu, Jim Ovia, Jide Omokore, and Bode Akindele amongst Africa’s billionaires. The new research says Africa is the world’s fastest growing emerging market and is home to 55 billionaires, up from a previous estimate of 25, with an average net worth of $2.6bn. The price of oil, which topped $100 a barrel this year, up from $20 a barrel in early 2000, is adjudged to be at the root of this new crop of African billionaires. These super rich are worth a combined total of $143.88bn (£89.27bn), in contrast to the UK, which is home to 84 billionaires who are worth nearly £250bn, according to 2013 Sunday Times Rich List. With 55 billionaires, Africa is comparable to Latin America, which has 51 at the last count (Forbes). However, Africa has some way to go if it is to top the super-rich tall

. BlackBerry Messenger may be where the company wants to push its resources. But enterprise software is where BlackBerry has to make its money BlackBerry knows who is paying the bills. And it isn't  people buying their smartphones.  BlackBerry's revenue these days comes mostly from its enterprise clients that use its services for security and management of mobile devices and applications. In its most recent quarter, almost half of the company's revenue came from its Services division as sales of its smartphones plummeted. BlackBerry serves these enterprises through its BlackBerry Enterprise Server 10 hardware that enterprises install and maintain. But hardware of any sort may be an untenable solution for BlackBerry going forward. The future of BlackBerry, if there is one, is going to be in software for the enterprise. BlackBerry has some vague notions that it can turn its BlackBerry Messenger (BBM) service into a powerhouse messaging service that li