* data-loggers within dental work, synced via
   multiband x-rays (+ secret other, say tetrahertz),

   this much easier facilitated via digital equipment

   note: could be synced to infrastructure tagging

   or mapping networks via RFID-like send/receive

   and also monitor biological events of the person

 * the often interesting TV series "It Takes a Thief"

   with Robert Wagner had one episode of a fashion

   designer who (if remembering correctly) stitched a

   pattern into a new dress that was then photographed

   or it may have had something to do with a microdot,

   James Earl Jones was the designer in that episode

 * the possibility of food for data transmission related

   to eating certain Asian food and having a gland open

   on the roof of my mouth- seemingly a specific chemical

   and what could happen if that were related to triggering
   of various related socio-behavioral programming, etc.

 * the future possibility, given data transfer by touch, of

   data capsules or pills that are digested and relay code

   that is informational into accompanying cyborg implant,

   else also behavioral routines triggered by food or drugs,

   that of an informational domain (which in a context of

   medicine and the body could be very wide ranging).

   heck, what about non-lethal overtones of morse code

   onto pacemaker or other devices, as form of signaling

 * microphoned dinner tables to relay info to flower vase,

   also tapping out code onto surface for solitar diners

 * clothing design, again, if embedded systems for data

   relay, also with jewelry. seemingly it could be anything.

   different kinds of materials or stitching, fashion styles

   as communication systems, delineating networks and

   establishing standards, references, and protocols,

   hidden technology or encrypted 'data', non-electronic

   or to be mediated electronically- say thread that glows

   in black light only, one-time pad, person walks past

   special camera-trap to relay data w/out even knowing

 * genetics themselves, various data sets as langauge

   including categorization as a means of encrypting

   perspectives, setting boundaries within contingent
   modeling of pseudo-truth, thus thresholds/boundaries

   for what can be perceived from the inside and outside;

   as this relates to disease, health systems, insurance,

   death panels, hidden eugenics of targeted populations

 * infrastructure itself as pre-internet sensor network with

   capacity for secret communications, especially with the

   mystery networked sensor boxes logging mystery data.

   could trace chemicals in products to pattern match and

   refine facial recognition, retail pollution of industrial scent

   as perfumes (another potential communication system),

   deodorants, shampoos combined mark, assist tracking

 * vehicles themselves if carrying paired black-box tech

   with shared non-identifiable encryption formats, such

   that a drive-thru or drive-by could involve data exchange,

   as this could likewise potentially relate to modification

   of street lights, electronic gates, toll booths, traffic lights

   and potentially any form of electronic signage (as this

   also relates to NFC and RFID for tracking, signaling).

   thus vehicles as data loggers and data carriers which

   may or may not involve drivers knowledge. if so, covert

   data exchange could seemingly exist outside of known

   encryption formats as a strengthening of security by the

   obscurity (akin to inventing secret, private language)

   whereas known algorithms could indicate, compromise

   systems via existing standards ("this is secret data!")

 * issue of black market and courier services, in some

   sense transfer of weapons and illegal drugs assumes

   an extreme form of privacy, security, and secrecy such

   that a small amount of opium could be couriered to a

   US resident and paid for by "anonymous" money, and

   in some sense similar to being ~encrypted, assuming

   or betting against disclosure of surveilling of packaging

   by companies, or of data inside encrypted archives

   thus like betting on the odds of the long-game

* then there is peer-to-peer signaling in itself, public and-

  or private, one to one or one to many or relay or delayed

  via written, oral, sound-based, food, fashion, or other

  communication -- of the realm of symbolic language

  where something stands-in for something-else or

  'shared meaning' can be effectively communicated

  yet exist beyond the boundary of others perception;

  a shared framework of "truth" (whether true or not) is

  required as a protocol to match up shared dimensions;

  overt is hand gestures, hand signals, body movements,

  postures, poses, facial expressions, as language

* i tend to think there is potential for any language-based

  interaction to involve signaling that is observed differently

  by others, based on their relation to the event or reading

  of it- for instance, juggling. it is a pattern-based activity

  that has known and identifiable sequences that can be

  a way of communicating (by those so skilled) or could

  involve use of color or number or other dynamics to
  signal or secretly message another who operates or

  understands the same 'cipher system'. LED equipment

  that can be programmed, or even IR or UV that may not

  appear activated yet could be photographed or video'd

  in those frequencies could then reveal a data stream,

  or potentially involve persistence of vision or even a

  data-burst relayed or captured by camera or cellphone

* anything, like RC planes or models driving down a street

  and triggering a data exchange, with vehicle house router

  house monitoring system, infrastructure, as a potential;

 
* maybe reconsider Grandma's framed needlepoint sometime

  or the role of collectibles or the anthro- and archaeological
  involved in antiques as potential forms of secret data exchange,
  in that that period furniture or rare object may signify something

  to someone and trigger a meaningful relational exchange that

  could, in certain instance, function and establish a data network

  and allow hidden communication and conscious to exist, persist

  and in this way- aesthetic probably trumps all things electronic

  in terms of the bandwidth involved in pure sensory experience,

  thought, knowledge, shared consciousness, and secret views

  that to the outsider may exist as encrypted, beyond awareness

  and understanding or even value, even while it could be primary
  (basis for shared awareness, decision making, action for others)