How I can disable in Google client=ubuntu (in DDG t=canonical) in Firefox 47?
See screenshot:
UPD: That's all what i find about subj,
>strings /usr/lib/firefox/libxul.so | grep "client=" -n
208606:  GetCacheSession for client=%s, policy=%d
but more interesting about Canonical partners. Seems, installing FF from official repo can negatively affect your right to privacy.

 
    