Informal:
Formal:
Communication is when Alice tells Bob something.
Communication shall be defined as the act of passing information encoded in messages from senders through a channel to recipients.
Science:
Communication Studies or
Information Theory
Not every message contains information:
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor.
gZTYz+4rrl0hurma1/9XoX7ckEkngIBF5Rn/6yiFClvvh8ffXvBpljJOcKF1Voue89cR9YVSjZ
Information Theory:
The channel is the medium that allows to convey the message.
Examples:
everything is small, costly and very distributed
(horse post, gossiping)
everything is large and centralised and monoplex (TV, radio), cheap
everything is large, duplex (social media), high volume (big data), fast and cheap (fake news) and in High Definition!
(Essence)
How much GiB data do you download when watching 1h Netflix in HD?
3 GiB
How much GiB data do you need to send every human being the message ‘Hello!’?
5.3 GiB
Inspiration: Joel Spolsky on Google Plus (2011)
Mailinglist | Facebook Page | ||
---|---|---|---|
Directory | none | (hidden) list | |
Format | free, but rather small mails | free, but rather small mails |
constrained by Facebook |
Authorisation | none | by list owner | FB users/none |
Prioritisation | ordered by time | ordered by time | unknown |
Scalability | 1-to-1 | n-to-n | mostly 1-to-n |
Archive | distributed | central | ? |
Authorisation Granularity |
user based | all-in | per page (topic) |
State of the Art | |
---|---|
Directory | yes, configurable |
Format | free, but semantic, with search, responsive, etc. |
Authorisation | yes |
Prioritisation | transparent, configurable (time, popularity, topic) |
Scalability | n-to-n |
Archive | yes, configurable |
Authorisation Granularity |
per user or user group, per topic, per message (mentions, subscribing to tags, topics, blocking, etc.) |