One of the ideas we've talked about in some detail on WorldChanging is the "participatory panopticon" -- the notion that the evolution of networked mobile personal cameras (i.e., cameraphones) will trigger big changes in how we interact with each other both individually and socially. Signs of this are hard to miss, but key aspects of the revolution are still missing. One important step will be to make the devices wearable, not hand-held; primitive versions of such devices are already on the scene. Another step will be to make these devices record images constantly, not just when the user clicks a button, to allow the user to review what s/he had previously seen. Again, primitive versions of this concept are in development, although these are set to record a picture a minute -- a snapshot, not a journal.
When I say "big changes," I mean it. The number one comment I get when I talk about the participatory panopticon is "Great! I'll never lose another fight with my wife/husband!" Mildly amusing, sure, but think about it: what does it do to a relationship when everything you ever say to each other may be recorded for later review? And we shouldn't assume that partners will just shut off the capture when talking to each other. Even for healthy relationships, the ability to recall exactly what one's partner said (a grocery store request, for example, or a casual mention of a favorite movie) will be hard to ignore.
That's off in the future -- but how far off? One key reason why such devices are currently limited in how often they record an image is storage. Taking one high-resolution image every minute can add up quickly: taking a 5 megapixel image every minute will fill a typical 50 gigabyte hard drive in a matter of a couple of weeks (depending upon compression and whether it ever gets turned off). Filling that same space with 24 frame-per-second video would take far less time, probably less than a day at a reasonably high resolution.
Colossal Storage may have the technology on track to make this concern go away: "3D rewriteable atomic holographic optical data storage nanotechnology". This article at the physics and technology news site PhysOrg.com, although basically a rewrite of a Colossal Storage press release, gives some detail (and is more readable than the company's website). If the technology they've developed works -- and they claim that it will, of course -- we could see relatively inexpensive 10 terabyte to 10 petabyte removable disks (with read/write speeds in the 1000 Mbps range) on the market by 2009.
10 terabytes is 10,000 gigabytes; 10 petabyes is 10,000,000 gigabytes. With that kind of storage, it becomes possible to imagine keeping a real-time video (and audio) record of one's life, swapping disks out perhaps only once a year. (I have this sudden image of one spouse shouting to another from across the apartment, "Honey, do you remember where we put 2013?" "You put it away last April, do a lookup!")
There are other uses for such a volume of storage, of course, particularly in medical research. While the data from the Human Genome Project fits nicely on an iPod, data from the Brain Atlas Project will likely take "petabytes." But for most people, keeping a record of one's own life is the use that has the most potential to demand massive amounts of storage.
Colossal Storage may be onto something important, or may be little more than big promises and dodgy research. I'm not qualified to say, and would certainly appreciate comments here from people who can parse the research material linked on the company's website. But regardless of whether this particular development works out, the technology is coming, and faster than we may be ready for.
