Underexposed blog: Links of the day

Apple enfeebles DTrace...Lightroom documentation gripes and fixes...Nikon D3 noise comparison...David Pogue on SLR restrictions...Corel PhotoImpact X3.

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Apple dethroned as world's most highly valued company

An old foe with a new name took the title away from Cupertino. Also, Yahoo's looking at yet another big shake-up.

by Iyaz Akhtar