Competition validates the market exists.

its a no brainer that the market exists. My question was geared more towards how will they compete against FB photos, which has grown like a weed.

There's an opportunity in mobile because many photos are taken on the phone and (arguably) it's easier to transfer photos from your computer to your phone than your computer to Facebook because USB is faster than broadband.

People want to share photos w/ their friends. Facebook is the easiest way; that doesn't mean it always will be.

I hate that the "reply" button vanishes so soon.

Yes, of course that's right. The 1-to-N factor and ease of tagging are why Facebook grew so much faster than all the other photo-sharing services.

I guess my point was that DivvyShot is in a different part of the pipeline (closer to the camera) than Facebook, so that presents new opportunities.

>> Facebook is the easiest way; that doesn't mean it always will be

totally agree. But at least, as of now, FB has a very strong network effect going for it. That's going to be hard to beat. Do I think FB is the end-all ? Nope - I'm pretty sure something disruptive will come along and challenge FB's domination.