Is spam allowed in people's sigs? Where is the line drawn?

[twesterm]

Crabmaster2000 said:
@Twestern
1.VG Chartz is actively promoting Video game consoles and software.

 No, you misunderstood me.  The sites you're promoting get money and you get something out of it (since you have that referral link).  It just confuses me that you don't get this.