L is for layers.Wearing loose, lightweight clothes, one layer on top of another, is better than wearing a single heavy layer of clothing.
VOA: special.2009.12.23
The reason is that if this analysis is internally consistent then we ought to be able to add layer-by-layer on to it until we get to the complete analysis.
While it's easy to see how TouchPad and smartphone sales would symbiotically attract developers, it's less clear how much apps for those products would have in common with, say, those on a printer front panel or on a layer living on top of Windows on a PC -- two possibilities that HP has raised for device markets where it is particularly strong.
It appears the major sticking point concerns the depth of the memory layeron which data is written: HD-DVD favors a data layer 0.6mm beneath the surface of the disk, the same depth as on the current generation of DVDs.