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| author | Hui Lan <lanhui@zjnu.edu.cn> | 2020-03-05 19:17:49 +0800 |
|---|---|---|
| committer | Hui Lan <lanhui@zjnu.edu.cn> | 2020-03-05 19:17:49 +0800 |
| commit | dfc58110d3191d5d4757129d2cd93bd8419f7806 (patch) | |
| tree | b0311f6baf9daa8c39ceb1dbbf1558c924bf7f61 /spm-slides.tex | |
| parent | 707335fbc68f68aebad3d4bdd527f514321efa4b (diff) | |
spm-slides.tex: QQ started around 1998.
Diffstat (limited to 'spm-slides.tex')
| -rw-r--r-- | spm-slides.tex | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/spm-slides.tex b/spm-slides.tex index bb71fc5..ddd4526 100644 --- a/spm-slides.tex +++ b/spm-slides.tex @@ -1169,6 +1169,8 @@ Conservativism pays off in the long run; it's always better for the software to Lotus Notes. 5 years' work before 1.0, released in 1989. From first line of code in 1984, to 10m users in 1995, 11 years have passed. Oracle DB (1977). Microsoft Word 1.0 (1983). All selling billions of dollars yearly. +QQ (1998). + Lessons: (i) it takes many years before your software is good enough and serious enough for people to buy it. The Overhype syndrome. (ii) No time to add many wanted features to 1.0 in a short period of time. The Get Big Fast syndrome. (iii) When it is done, it is {\em done}. Additional features are not essential. (iv) ``We’ll Ship It When It’s Ready'' syndrome. Keep 1.0 quiet. |