How LiveJournal is sticky
Given the recent commotion over some of LiveJournal's business decisionsand people's unhappyness with LiveJournal as a result, I've beenthinking about the various ways that LiveJournal makes itself sticky(and thus hard to leave, and so on). I think that there are threegeneral levels of LiveJournal stickyness, in ascending order:
- the simplicity and ease of use for individual users.
- the network effects: the more that people that you want to read useLiveJournal, the more attractive it is to be there and
香港仔悲劇(我們都是小人物)
恭賀新禧
新年搬新屋
Thinking about what you do with undo
In thinking more about undo issues , I think that thefundamental misconception of designing an undo system is to think of itas purely operation based, instead of something more complex (I don'tthink that it's purely time based either). Undo is only operation basedover the very short term, where you are undo-ing an immediate mistake.
I've been trying to think about what things you do with undo, ingeneral. So far, what I have come up with is:
- fix
總結在九州發生過的
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空中奇遇結良緣
Towards a better undo
Here is my growing theory: current versions of 'undo' functionalitygenerally aren't all that good. Having any undo is a lot better thannone, and having multi-level undo is a lot better than only a singlelevel of it (to the point where it's hard for me to consider singlelevel undo as 'undo' any more), but this is a long way from being reallyuseful.
(The problem with single-level undo are hopefully obvious: it's onlyuseful