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perezmv

http://oreilly.com/digitalmedia/2006/08/17/inside-pandora-web-radio.html - 0 views

  • Pandora (which is also the name of the company) grew out of the Music Genome Project, which company founder Tim Westergren began six years ago.
  • He became fascinated with the way directors described the music they were looking for, which led to his wondering what made people enjoy certain types of music. He asked himself, "If people haven't found any music that they love since college, and artists are struggling to find an audience, is there a role for technology to help bridge the gap?"
  • Westergren started the Genome Project from the idea of creating a platform for connecting people with music that they'll love based on music they already enjoy. The project uses experts called "music analysts" to deconstruct music into its fundamental parts and capture the results into a database. Pandora has 40 professional musicians who come to the office every day and listen to one song at a time, analyzing each in anywhere from 200 to 400 dimensions. (The dimensions are somewhat different for each genre of music.)
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  • Pandora chose the dimensions because they are quantitative. For instance, how breathy are the vocals? Is the music diatonic or chromatic? The music analysts are trained to be able to score songs consistently. In fact, one of the test cases is, "Could a group of 10 musicologists listen to a song and agree on one score for a particular element?"
  • vector space.
  • "What is exciting about the Music Genome Project, with respect to Pandora the radio-listening experience, is that by understanding the music on a song-by-song basis we can put together a playlist that has a much more natural ebb and flow than you might be able to do with collaborative filtering data," Conrad says.
  • "I think curator is the right word," Conrad replied. "Of all the financial models that could be leveraged to make Pandora a successful business, the 'play for pay' model runs completely spiritually opposite to the founding of the company.
  • I asked what Pandora was doing to avoid being influenced by big record labels, which have been widely accused of corrupting traditional radio through payola schemes.
  • "Since we use a human analyst to analyze song by song, we've experimented with using a smaller number of elements," he continued. "We've determined that you can't create interesting playlists with only 20 attributes. But we do keep an eye on machine listening as it might provide a way to augment the manual analysis."
  • I ask myself, "What's this song doing in my Bill Evans station? This song should be in my 'Soft Jazz Guitar' station. Why can't I tell Pandora to place this tune in the appropriate station?"
  • "It's fascinating to me that you raise that particular example," Conrad said. "Because the scenario that you just described is--after we evolved the product over five months and took a lot of low-hanging fruit off the table--probably the number-one listener request.
  • Pandora creates playlists with a "matching engine," written in C and Python, for each listener station. This engine builds the low-level linkage to the "source" music (the music that listeners indicate they like) and the music that actually gets played (a mixture of what the listener explicitly indicated, mixed with music that the Pandora service believes listeners will like). The replication system is Slony.
perezmv

Pandora Pulls Back the Curtain on Its Magic Music Machine | Fast Company | Business + Innovation - 0 views

  • "It’s true that the algorithms mathematically match songs, but the math, all it’s doing is translating what a human being is actually measuring," says Tim Westergren, who founded Pandora in 2000 and now serves as its Chief Strategy Officer. “You need a human ear to discern.”
  • Pandora’s secret sauce is people. Music lovers.
  • "That is the magic bullet for us," Westergren says of the company’s human element. "I can’t overstate it. It’s been the most important part of Pandora. It defines us in so many ways."
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  • It’s also important, at least in the beginning, for these music analysts to sit, physically, in the same room. That way, they can regularly peel back their headphones and engage with their colleagues about the music they’re categorizing.
  • (Pandora reportedly met with bankers recently about a $100 million offering)
  • "We want Pandora to feel like it’s talking to you," Westergren says. "We also literally talk to people. We have a team of people who are called listener advocates. Their job is just to respond personally to every single email, phone call, or letter we get. The identity of Pandora is forged through those collective interactions."
  • Pandora turned its first profit at the end of that year, earning $50 million in total revenues.
  • Analysts predicted 2010 would end with $100 million in revenues for Pandora--Westergren declined to confirm or deny the number, saying only of revenue, "It’s all going in the right direction."
wstrahan

Neo-Colonialism, the Last Stage of imperialism by Kwame Nkrumah - 0 views

    • wstrahan
       
      Neo-colonialism isn't a problem until it's being used to impoverish less developed countries, rather than help develop them.
  • Non-alignment, as practised by Ghana and many other countries, is based on co-operation with all States whether they be capitalist, socialist or have a mixed economy. Such a policy, therefore, involves foreign investment from capitalist countries, but it must be invested in accordance with a national plan drawn up by the government of the non-aligned State with its own interests in mind.
    • wstrahan
       
      Countries like Ghana choose not to align with an economic policy like capitalism or socialism in order to trade with all countries based on their own national plan.
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  • The growth of nuclear weapons has made out of date the old-fashioned balance of power which rested upon the ultimate sanction of a major war. Certainty of mutual mass destruction effectively prevents either of the great power blocs from threatening the other with the possibility of a world-wide war, and military conflict has thus become confined to ‘limited wars’. For these neo-colonialism is the breeding ground.
    • wstrahan
       
      Nuclear weapons have increased the growth in neo-colonialism. Larger economic countries such as the U.S. and Russia would rather avoid a world war and nuclear mass destruction by fighting "limited wars"
  • Limited war, once embarked upon, achieves a momentum of its own. Of this, the war in South Vietnam is only one example. It escalates despite the desire of the great power blocs to keep it limited. While this particular war may be prevented from leading to a world conflict, the multiplication of similar limited wars can only have one end-world war and the terrible consequences of nuclear conflict.
  • Neo-colonialism is also the worst form of imperialism. For those who practise it, it means power without responsibility and for those who suffer from it, it means exploitation without redress.
  • In the days of old-fashioned colonialism, the imperial power had at least to explain and justify at home the actions it was taking abroad.
  • Neo-colonialism, like colonialism, is an attempt to export the social conflicts of the capitalist countries.
  • The problem which faced the wealthy nations of the world at the end of the second world war was the impossibility of returning to the pre-war situation in which there was a great gulf between the few rich and the many poor. Irrespective of what particular political party was in power, the internal pressures in the rich countries of the world were such that no post-war capitalist country could survive unless it became a ‘Welfare State’. There might be differences in degree in the extent of the social benefits given to the industrial and agricultural workers, but what was everywhere impossible was a return to the mass unemployment and to the low level of living of the pre-war years.
  • In the past it was possible to convert a country upon which a neo-colonial regime had been imposed — Egypt in the nineteenth century is an example — into a colonial territory.
  • The essence of neo-colonialism is that the State which is subject to it is, in theory, independent and has all the outward trappings of international sovereignty. In reality its economic system and thus its political policy is directed from outside.
  • e, but neo-
  • The neo-colonial State may be obliged to take the manufactured products of the imperialist power to the exclusion of competing products from elsewhere. Control over government policy in the neo-colonial State may be secured by payments towards the cost of running the State, by the provision of civil servants in positions where they can dictate policy, and by monetary control over foreign exchange through the imposition of a banking system controlled by the imperial power.
  • Where neo-colonialism exists the power exercising control is often the State which formerly ruled the territory in question, but this is not necessarily so. For example, in the case of South Vietnam the former imperial power was France, but neo-colonial control of the State has now gone to the United States.
  • The control of the Congo by great international financial concerns is a case in point.
  • The result of neo-colonialism is that foreign capital is used for the exploitation rather than for the development of the less developed parts of the world. Investment under neo-colonialism increases rather than decreases the gap between the rich and the poor countries of the world.
  • The struggle against neo-colonialism is not aimed at excluding the capital of the developed world from operating in less developed countries. It is aimed at preventing the financial power of the developed countries being used in such a way as to impoverish the less developed.
  • The system of neo-colonialism was therefore instituted and in the short run it has served the developed powers admirably. It is in the long run that its consequences are likely to be catastrophic for them
  • Neo-colonialism is based upon the principle of breaking up former large united colonial territories into a number of small non-viable States which are incapable of independent development and must rely upon the former imperial power for defence and even internal security. Their economic and financial systems are linked, as in colonial days, with those of the former colonial ruler.
  • In the neo-colonialist territories, since the former colonial power has in theory relinquished political control, if the social conditions occasioned by neo-colonialism cause a revolt the local neo-colonialist government can be sacrificed and another equally subservient one substituted in its place.
  • The introduction of neo-colonialism increases the rivalry between the great powers which was provoked by the old-style colonialism. However little real power the government of a neo-colonialist State may possess, it must have, from the very fact of its nominal independence, a certain area of manoeuvre. It may not be able to exist without a neo-colonialist master but it may still have the ability to change masters.
  • The ideal neo-colonialist State would be one which was wholly subservient to neo-colonialist interests but the existence of the socialist nations makes it impossible to enforce the full rigour of the neo-colonialist system. The existence of an alternative system is itself a challenge to the neo-colonialist regime. Warnings about ‘the dangers of Communist subversion are likely to be two-edged since they bring to the notice of those living under a neo-colonialist system the possibility of a change of regime.
  • In fact neo-colonialism is the victim of its own contradictions. In order to make it attractive to those upon whom it is practised it must be shown as capable of raising their living standards, but the economic object of neo-colonialism is to keep those standards depressed in the interest of the developed countries.
  • Their manufacturers naturally object to any attempt to raise the price of the raw materials which they obtain from the neo-colonialist territory in question, or to the establishment there of manufacturing industries which might compete directly or indirectly with their own exports to the territory.
  • In the end the situation arises that the only type of aid which the neo-colonialist masters consider as safe is ‘military aid’.
  • Once a neo-colonialist territory is brought to such a state of economic chaos and misery that revolt actually breaks out then, and only then, is there no limit to the generosity of the neo-colonial overlord, provided, of course, that the funds supplied are utilised exclusively for military purposes.
  • Military aid in fact marks the last stage of neo-colonialism and its effect is self-destructive. Sooner or later the weapons supplied pass into the hands of the opponents of the neo-colonialist regime and the war itself increases the social misery which originally provoked it.
  • Nowhere has it proved successful, either in raising living standards or in ultimately benefiting countries which have indulged in it.
  • This book is therefore an attempt to examine neo-colonialism not only in its African context and its relation to African unity, but in world perspective. Neo-colonialism is by no means exclusively an African question. Long before it was practised on any large scale in Africa it was an established system in other parts of the world
  • ‘The industrial nations have added nearly $2 billion to their reserves, which now approximate $52 billion. At the same time, the reserves of the less-developed group not only have stopped rising, but have declined some $200 million. To analysts such as Britain’s Miss Ward, the significance of such statistics is clear: the economic gap is rapidly widening “between a white, complacent, highly bourgeois, very wealthy, very small North Atlantic elite and everybody else, and this is not a very comfortable heritage to leave to one’s children.”
  • ‘For the vast majority of mankind the most urgent problem is not war, or Communism, or the cost of living, or taxation. It is hunger. Over 1,500,000,000 people, some-thing like two-thirds of the world’s population, are living in conditions of acute hunger, defined in terms of identifiable nutritional disease.
  • What is lacking are any positive proposals for dealing with the situation. All that The Wall Street Journal’s correspondent can do is to point out that the traditional methods recommended for curing the evils are only likely to make the situation worse.
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