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It's foolish to compare African markets holistically to say Europe or Asia, but in some characteristics - such as the optimal number of operators in a territory to guarantee sufficient competition and economies of scale, it's clear that Africa has far too many operators in many of its countries. Uganda for example has seven operators - from a total market revenue perspective, it's over capacity. Because ARPUs are so low, one of the key things that companies need to do - both within a territory and on a pan-Africa basis - is consolidate some of the back office functionality. For example, inter-continental minutes clearing; it's expensive for a small operator in a country like Uganda, but if you can consolidate that into a group like Zain or MTN, then it makes a lot of sense. It's still early days, and in most of the major markets it can be advantageous to be small, agile and commercial, and to let the consolidation happen at a later date. It can be difficult for large telecoms groups to come into markets like that and effect change that is positive and doesn't impede the process of customer acquisition. DT: So the investment that a larger player would bring to the market is not necessarily the right move for now? MG: Potentially, some of the economies of scale of a larger group - i.e. an operator working at 35% - 40% market shares - or the capabilities that it can bring will be advantageous. However, there are relatively few markets where that's true; South Africa and to a lesser extent Ghana and Kenya all have the foundations of competition established, but in the majority of areas that isn't the case.

a guide of some of the most interesting Lebanese users of Twitter.

Social media such as Facebook and Twitter have played a major role in motivating some of the demonstrators in the run-up to the rally, which went ahead despite a police ban and lockdown imposed on sprawling Kuala Lumpur on the eve of the July 9 protest. The demonstration organizer, Bersih 2.0 -- a coalition of 63 NGOs (non-government organizations) that wants changes such as updated electoral rolls and a longer election campaign period -- has its own Facebook page, attracting a similar number of "likes" as the page urging Najib to step down, with 190,000+ fans at the time of this posting. The latest notable update is another petition, requesting 100,000 backers for a Bersih 3.0 -- although organization head Ambiga Sreenavasan has said she does not foresee any similar protests in the immediate future.

Craft Silicon provides bespoke, cutting-edge software in core banking, microfinance, mobile, switch solutions and electronic payments for customers on four continents. The company services over 200 clients in 40 countries spread across Africa, Asia, Europe and the Americas. Clientele includes some of Africa's most successful financial institutions, and the company has offices in Kenya, India, Nigeria and the United States. Craft Silicon has an office in Silicon Valley - in Palo Alto, California - one of the very few Kenyan companies to achieve such a feat.

This list is comprised of people who are the luminaries and pioneers of the social media frontier. I plan to do this periodically and by no means do I feel I will get this 100 percent correct the first time, so please let me know your thoughts -- be social! Do I personally know some of these folks? Yes -- so voice your opinion where you feel there is bias and we will adjust accordingly moving forward. These are in reverse alphabetical order.

I had some fun this week in my ClickZ column by highlighting the best in brightest in the social media field.  You can find the detailed article here: Social Media All-Stars As the title showcases I selected 10 Social Media All-Stars for each team.

The only real problem touching on diversity I see in the "social media space" is this: About four dozen assholes in the US and Canada making up an imaginary social media "industry," who suddenly realized a week ago that with all the navel-gazing and ego projection fueling their "thought leadership," they have mostly managed to cater to people who conveniently look and sound just like them. Wow. How did THAT happen? By the by, if they ever manage to pull their heads out of their asses long enough to get some oxygen back into their brains, they will either meet or remember having met - among hundreds of thousands of other social media users who are not pre-midlife crisis white dudes - Rohit Bhargava, Maz Nadjm, Jeremiah Owyang, Gabrielle Laine Peters, Karima Catherine Goudiam, Bonin Bough, Liva Judic, Monika Melsha, Guy Kawasaki, Chris Penn, Danielle Lewis, Peter Kim, Charlene Li, CD, Hajj Flemings, and many, many, MANY more who, last time I checked, contributed more to the social media world than all of their "white" social media guru blog posts combined, and managed to do so while being other than strictly caucasian.

Chungking Mansions, 36-44 Nathan Road. Tsim Sha Tsui, Kowloon, Hong Kong. "Ghetto at the Center of the World: Chungking Mansions, Hong Kong" by Gordon Mathews, Hong Kong University Press. Available at English language bookstores in Hong Kong and Amazon.com.

Six months after an uprising led by people like her ousted Hosni Mubarak and overturned the established order of the Arab world, Ms. Mehairy has joined the ranks of Egypt's newest business class: the entrepreneurs of the revolution. Instead of leaving Egypt as she had planned, she is staying to nurture a start-up called SuperMama, an Arabic-language Web site for women that has 10 local employees.

The merger of globalization and I.T. is driving huge productivity gains, especially in recessionary times, where employers are finding it easier, cheaper and more necessary than ever to replace labor with machines, computers, robots and talented foreign workers. It used to be that only cheap foreign manual labor was easily available; now cheap foreign genius is easily available.

In the years since the first social networks went online, the disruption had spread to government, creating shifts in power structures as large as those enabled by the introduction of the printing press centuries ago. "Connection technologies, including social media, tend to devolve power from the nation state and large institutions to individuals and small institutions," said Alec J. Ross, senior innovation advisor to Secretary of State Hillary Clinton, in an interview. "Nothing demonstrated that more than the power to publish and distribute at great scale by historically disempowered individuals with inexpensive devices."