Boost those chances by choosing someone with a good camera who looks like they know what they're doing, and make sure the settings on your camera are right before you have them take the pic.

如果你选择的人看上去像是知道自己在做什么，而你的相机质量不错，且在你让他们帮忙拍照前都调好了设置，那么成功的几率要大些。

youdao

I take a lot of PIC. Now I already add it on my web to share it with everybody!

我拍了很多的照片，已经发到网页上了，来与你们分享！

youdao

If you are in construction, you can take a pic of a site and get information on materials around you.

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It has a brilliantly fun Self Shot setting when the flip-up screen is set up like a mirror, as shown here, you simply tap it to take a pic instead of fumbling to press the shutter button.

WSJ: Digital Cameras: Say 'Cheese,' Pose and Share

Yeah, its 2.5-inch LCD can swivel around and rotate 270 degrees, but the DSC-M1 also has this unusual hybrid recording mode where it can automatically record five seconds of video before and three seconds after every time you take a pic, the idea being that this way you won't accidentally miss any of those future precious memories.

ENGADGET: Sony's DSC-M1 digital camera