Aged and Distilled has released Napkin 1.1 with a new automatic guide feature added to the visual communication and screenshot tool (reviewed earlier this year by Josh Centers; see “Napkin Offers a Fresh Take on Visual Communication,” 16 February 2013). A temporary visual guide is now displayed when moving or resizing a Napkin item, and its edges and center point snap to other items on a napkin. You can turn off the automatic snapping by holding the Command key when moving or resizing. The update also fixes a crash that occurred when deleting an image from a napkin that contained a Call-Out, and patches some small memory leaks. ($39.99 new from the Mac App Store, free update, 8.6 MB, release notes)
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Multi-Monitor iChat in Snow Leopard
In Snow Leopard, on a multiple-monitor system where you're using screen sharing over iChat, dragging the tiny inset preview of your own screen to another monitor shifts the remote screen to that monitor.