Periscope Case vs PullApprove

The Poor Man's GoPro. Just use the camera you already own.

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Periscope Case allows the use of your smartphone for action photography. The case snaps to your phone and straps to just about anything. Us the mirrors to change the angle of your camera allowing it to be at a convenient angle. For us casual action photographers, there's no need to fork out for a GoPro. Just use what you already own.

The lightweight code review integration for GitHub

PullApprove is a simple, yet highly effective service for implementing code review with your team. Using PullApprove encourages (and can even require) code review to be a part of your GitHub-based workflow.