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daily 02/09/2014

    • On March 31, 2008, eBay chief executive Meg Whitman retired after 10 years on the job.
    • Data provenance covers the provenance of computerized data. There are two main aspects of data provenance: ownership of the data and data usage. Ownership will tell the user who is responsible for the source of the data, ideally including information on the originator of the data. Data usage gives details regarding how the data has been used and modified and often includes information on how to cite the data source or sources. Data provenance is of particular concern with electronic data, as data sets are often modified and copied without proper citation or acknowledgement of the originating data set. Databases make it easy to select specific information from data sets and merge this data with other data sources without any documentation of how the data was obtained or how it was modified from the original data set or sets.
    • The Princeton polymath John Tukey (1915–2000) observed that “the greatest value of a picture is when it forces us to notice what we never expected to see.” A graphic display can only develop the sort of forceful personality Tukey suggested when it is prepared carefully. As we shall see, when the combination of interesting data and clever display are properly aligned, remarkable outcomes can result.
    • Will Burtin’s display aims at the former much more than the latter. It is easy to see why each of these two questions requires a different construction (although sometimes a very clever display can provide ingress to both). An example from Jacques Bertin (1918– ) has become a canonical illustration of this fact (see figure at right).
    • This emphasizes the importance of deciding, before designing a display, what questions it will answer.
    • “Evidence-based science” is an ironic term, for what else could it be? Faith-based? The start of empiricism is usually credited to Aristotle (384 B.C.–322 B.C.) but its pathway thereafter was not smooth, for once one commits to using evidence to make decisions, facts take precedence over opinion. And not all supporters of an empirical approach had Alexander the Great to watch their back. Hence it took almost 2,000 years before Francis Bacon (1561–1626) repopularized the formal use of evidence, which was subsequently expanded and amplified by the British empiricists John Locke (1632–1704) and George Berkeley (1685–1753) and the Scottish David Hume (1711–1776).
    • But having a formal epistemological basis for evidence-based science was not enough. Making the most of evidence required effective methods for presenting it. Language, developed long before science, was not an ideal match. Mathematics became the language of science but it was ill-suited for looking at evidence. In the 17th century large tables of data were compiled, but this was not an answer; indeed, two 19th-century economists emphasized the inadequacies of tabular presentation in their oft-quoted quip:

       

      A heavy bank of figures is grievously wearisome to the eye, and the popular mind is as incapable of drawing any useful lessons from it as of extracting sunbeams from cucumbers.

       

      —Arthur Briggs Farquhar and Henry Farquhar, 1891

    •   Social media API aggregation company Gnip is taking social data Relevant Products/Services to new heights and deeper depths. The firm sits in a market space with the likes of Topsy, which Apple acquired for $200 million, and Deep Mind Technologies, which Google grabbed for $400 million. But Gnip claims to be the world’s largest.
    • But one man picked up his final Christmas parcel – some lingerie for his wife   – at 10.43pm at the Esso service station in Hanworth, Middlesex.
    • Which is where click and collect comes in. Neil Saunders, managing director of   Conlumino, a retail consultancy firm, says: “The reason click and collect   took off over Christmas was because it solves the age-old problem of the   ‘final mile’ of delivery. People just don’t like waiting in for deliveries,   but most are happy to pick up from their local high street.”
    • But the greatest innovation has been developed by online-only shops. They have   been forced to tie up with a third party. The biggest is Collect+, which has   signed up 5,000 convenience and corner shops, and – in return for a small   fee – persuaded them to become collection points for a raft of retailers,   from House of Fraser, Boden and Oasis to Asos, Amazon and eBay.
    • The other key advantage to the corner-shop model is that the customer has   somewhere they can easily return items that they don’t like
    • Amazon has gone a step further and started installing lockers – you unlock   them using a code sent to your phone – in some shopping centres and in  

       

       Co-op supermarkets. In total, there are 9,000 Amazon lockers around the   country and the website insists that they are proving a success, though some   analysts are dubious.

    • Is it reasonable to expect mere morals to have mastery over every facet of the development stack? Probably not, but Facebook can ask for it. I was told at OSCON by a Facebook employee that they only hire ‘Full Stack’ developers.  Well, what does that mean?
      • Business Logic 

           

        1. The heart of the value the application provides.
        2.  

        3. Solid object oriented skills are needed here.
        4.  

        5. Frameworks might be needed here as well.
    • PMI certification and/or Lean Certification a plus;

Posted from Diigo. The rest of my favorite links are here.

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