<p>Happy new year! May 2014 bring good deeds and cheer :-) </p>
<p>Here's a blog post on the different approaches (that I know of) to data gathering across different projects. Do let me know if I missed anything.</p>
<p>cheers,<br>
Sameer</p>
<p><a href="http://www.olpcsf.org/node/204">http://www.olpcsf.org/node/204</a></p>