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Extend Mac OS X's Screenshots

Mac OS X has a variety of built in screenshot methods. Here's a look at a few that offer more versatility than the basic full-screen capture (Command-Shift-3):

• Press Command-Shift-4 and you'll get a crosshair cursor with which you can drag to select and capture a certain area of the screen.

• Press Command-Shift-4-Space to select the entire window that the cursor is over, clicking on the window will then capture it. The resulting screenshot will even get a nice drop shadow.

• Hold down the Space bar after dragging out a selection window to move your selection rectangle around on the screen.

• Hold down Shift after dragging out a selection to constrain the selection in either horizontal or vertical orientation, depending on the direction of your drag.

• Hold down Option after dragging out a selection to expand the selection window around a center point.

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ExtraBITS for 25 January 2010

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As we desperately try to ignore all the pointless speculation about what Apple may or may not announce this week, we found ourselves reading somewhat more broadly than usual. Google is updating high-resolution satellite images of Haiti to aid relief efforts, the White House has released an iPhone app, GigaOM collected lots of App Store stats into a single infographic, and the Stanford Hospital is using a cutting edge (from the 19th century) networking technology to move lab samples around the building.


Google Updates Satellite Images of Haiti -- In the wake of Haiti's recent earthquake, Google has updated its Google Maps satellite photos of the country's capital, Port-au-Prince. The new images, gathered on 17 January 2010, present a humbling view of the city's destruction. Google made the images available in part to "assist relief efforts including those by many UN organizations and the Center for Interdisciplinary Geospatial Information Technologies." We hope the images will also persist as reminders of Haiti's need for support during its long road to recovery.

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White House Releases iPhone App -- The White House, contributing a memorable moment to the history of mobile computing, has released its first-ever iPhone app. The free app gives users an easy way to keep up with the White House Blog, hear the latest from the Briefing Room, check out behind-the-scenes photos, and, most notably, watch live streaming video of speeches, press briefings, and special events. Amusingly, the app is available before the mobile-enabled version of the WhiteHouse.gov Web site.

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App Store Facts Get a Face Lift -- Like any other certifiable success, the iTunes App Store has become a hot topic of discussion; the stats revolving in its orbit have been endlessly reported on and analyzed. For those tired of parsing regular graphs and summaries, take a moment to check out GigaOM's infographic "The App Store Economy," which brings a little visual zest to the familiar data.

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It Really Is a "Series of Tubes" -- No, we're not talking about former Senator Ted Stevens's clumsy description of the Internet; this article from the Stanford School of Medicine Web site instead describes the wildly cool pneumatic tube system used by Stanford Hospital staff to send lab samples around at speeds up to 25 feet (7.6 m) per second - that's roughly 18 miles (30 km) per hour. Pneumatic tube systems were cutting edge communication technology way back in the 19th century, but when it comes to transporting physical objects, they retain their utility even in today's networked age.

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