Which Hack Would You Most Like to See?

I'm planning new tutorials in the coming weeks, including;

Social Engineering Toolki,

aircrack and cracking wifi credentials

More metasploit hacks

Pivoting your hack off other computers,

Knocking your neighbors off their wifi

SQL Injection

cracking gmail passwords

remote password cracking

Installing and using Kali

cracking Wordpress

cross-site scripting

Man-in-the-Middle attacks

attacking mobile devices like Android phones and tablets

Give me some feedback on your favorites or suggest something other.

OTW