5by5 | The Critical Path #36: An Interview with Clayton Christensen

Horace interviews his teacher Clay Christensen to discuss his new book, How Will You Measure Your Life. We discuss some of the concepts of learning, jobs to be done and approaches to self-disruption. We also cover what Clay is working on next in his writing and research. Lastly, we talk about what Apple should worry about in its disruptive journey.

via 5by5 | The Critical Path #36: An Interview with Clayton Christensen.

400 million phones per quarter and everything's topsy turvy

Sony Ericsson is no more. The company remains but the brand is gone. Now the phones it makes will be sold under the Sony name. Unfortunately, that means we no longer get reports from the company on its volumes, profitability and sales. The units will be part of “Other” from now on.

That vendor’s data disappears as did HTC’s and Samsung’s earlier reporting. Bit by bit, vendors are withdrawing information. RIM stopped reporting its average selling prices some time ago, Motorola may disappear completely and they already stopped reporting tablet sales.

This makes the picture of the market fuzzier each quarter. We have to rely more and more on analysts who publish estimates. I try to pick from the available data the best assumptions but the errors are undoubtedly increasing. Here are the charts showing unit volumes in terms of absolute, share and ranking.

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