Typically, all data in Elgg has inbuilt access information attached to it. This little piece of information, along with the enabled/disabled flag, determines to a great extent if you can actually access a piece of data and change it.
Knowing the different ways in which these combinations can work can make a developer's life much easier.
There are numerous ways in which you can affect the output of any view in Elgg. Some of these are well documented, while others are not. Following are the ways in which it can be done:
At 216 slides, 'The Real Life Social Network' by Paul Adams takes a fair bit of time to wade through, but it does offer some interesting insights into the various ways in which identity, context and connections play...