The key to Opera Unite is that it enables a whole new class of social software on the Web, applications that benefit from two or more people being online at the same time. And, with Opera Unite, these people can all connect directly without needing middlemen who control third-party servers. What Opera Unite offers is an opportunity and a challenge to developers and entrepreneurs who are creative enough to envision new ways that people can interact online, so that computing becomes truly interpersonal. -Opera Labs
I like the ease of use of the photo sharing service, myself. It should suffice for sharing with friends and family, but I'll keep my web host around for the foreseeable future."
No amount of careful planning will ever replace dumb luck.