For a long time the comment section on any webpage was nothing more than internet real estate about to be foreclosed on. Plagued by spammers, pointless shout outs, and unreal amounts of bickering, most users chose to forgo perusing what was once a land of potential user interaction. Livefyre, a designer of Dynamic comment platforms, is working hard at ushering commenting into the promised land, with the Livefyre API to help get us there.
With the holiday weekend coming up in the U.S., avid divers may be making their way to their favorite spots. Dive.io is a web service designed for divers, so they can log their dives, share their favorite dive spots, and meet fellow divers. It's very specific, but it does its task quite well. It also has a nice API, allowing for integration of the service into, well, anything at all.