Why Bother to Create? Why Not Just Use?

I forgot to post this slide after the talk. Here it is.

2014-01-07: Why Bother to Create? Why Not Just Use?

p.s. Now I feel much easier with HTML slides, however
can't really post HTML slides on sites like slideshare
or speakerdeck is really a disadvantage. Any solution?
I can't really convert/print my slides into PDF.
The output was simply awful and not readable.


Ruby Tuesday #28
為什麼要再造輪？現有的輪子不好用嗎？什麼時候我們甘願用方形的輪子？
如果我們都會飛了，為什麼還要輪子？跟大家分享我一路走來用了造了各種
輪子的一些心路歷程。