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photography at national geographic

Great photographs are dependent on lighting! Learn how to set up your photography lights in this free video clip about professional photography lighting and equipment.

Lighting is very important in photography. Learn the difference between a hot light and strobe light in this free video clip about professional photography lighting and equipment.

Create your own photograph lighting with flashes and strobes. Learn about portable flash units for your camera in this free instructional video for beginning photographers.

Don't overexpose your photos! Learn how to use light meters in the free instructional video for beginning photographers.

When Tweeting Less Can Help You be a More Effective Twitter User by Darren Rowse on November 4, 2008 "How much do I need to Tweet each day to build a successful Twitter presence?" I get this question a fair bit from new Twitter users and while I think Tweet frequency is an important topic (one I'll cover in a future post here at TwiTip) I think that there's another more important aspect of successful use of Twitter that I've not heard many people talk about… Silence….. (cue the crickets and tumbleweed). Regular tweets may well be an important part of successfully using Twitter but one thing that I've found equally important is regularly 'not tweeting'.

"Twitter Best Practices for Nonprofit Organizations [twitter.com/nonprofitorgs :: More Web 2.0 Resources for Nonprofit Organizations Please Note: Three new best practices are added each month. Please subscribe to DIOSA Communication's Web 2.0 Best Practices e-newsletter to be alerted when new Twitter best practices have been posted. DIOSA Communications also offers a Webinar on How Nonprofit Organizations Can Successfully Use Twitter and Flickr."