Well, I think it's likely ones that have been suspended. [quote]
Apps that haven't been updated to take advantage of multi-tasking and that need to load up from scratch every time they're started will show up in that list. They will be mixed with apparently no rhyme nor reason with apps that are currently running.
[quote]and will get swapped out when there's memory pressure).
What might be considered memory pressure? How many MB free? Just slightly less than may be requested by an app about to start? I haven't done enough testing to see when something actually gets unloaded from memory, but I can say that I haven't seen anything disappear from the recent apps list at any time. Unless I remove the items or clear all background apps using SBSettings.