I have hardly used TeX for myself in the last couple of years, but I still help out many users in #latex on freenode. This poses interesting questions every now and then.
82 pgf-Tikz QR code generator Jan 6 '13
48 Clearpage without pagebreak? Dec 30 '12
37 How to implement a \tomorrow in latex Dec 17 '12
15 \dots plus \left May 8
11 How to define a command using \lowercase in \csname Sep 29 '13
11 How do you detect restricted write18 support Dec 30 '12