XConf 2 0 1 4 
DATENSPARSAMKEIT 
Michael Fait - @mfait
<script src="tracking.js"/>
respawn_all_cookies(user_id);
{ 
"name": "Michael Fait", 
"email": "mfait@thoughtworks.com", 
"twitter": "@mfait", 
"birthday": "1979-04-26" 
}
7.2T user.data
./start-hadoop
mysqldump accounts
def datensparsamkeit
require ‘sparsamkeit.rb’
0 rows in set (0.00 sec)
if (user.phone) { 
// ? 
}
/retarget?segment=DKA1PX
+------+ 
| Null | 
+------+ 
| YES | 
+------+
4.3G user-profiles.csv
1b192609b92fbc8ce64cf03f6ead1f2d
git init
~/piwik/install.sh
0 results found.
git commit -m “minor refactoring”
filter what-s-really-needed | 
filter what-users-allow | 
anonymise | 
decentralise
./go.sh
XConf 2 0 1 4 
DATENSPARSAMKEIT 
Michael Fait - @mfait

Datensparsamkeit