Index: doc/motivation.html
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 <H1> pcb-rnd motivation </H1>
 
-<H2> Phase 3: community requested features (from 2016 onward)  </H2>
-Overlapping phase 2 there is an ongoing
+<H2> Phase 4: expansion (2017)  </H2>
+<p>
+Late 2016 and during 2017 there was a major expansion in number of developers,
+users and the amount of time spent on pcb-rnd. Our community is not tiny
+any more, and is very active: there is a lot of on-topic discussion going
+on on IRC every day, which result in bugs fixed and features implemented.
+Newcomers are intergated fast.
+
+<p>
+We started to rewrite the data model by slowly replacing elements with
+more generic subcircuits.
+
+
+<H2> Phase 3: community requested features (2016)  </H2>
+Overlapping phase 2 there <b>was</b>
 <a href="http://igor2.repo.hu/cgi-bin/pcb-rnd-poll.cgi"> feature poll </a>. If there
 are enough <b>active</b> users/testers for a feature, it gets implemented in
 phase 3.