I just got an email from Smith Micro.

http://mysmithmicro.com/marcom/eblasts/Silo/20130725/index-web.html?hq_e=el&hq_m=1117654&hq_l=2&hq_v=2ea5221a1d

The 2012 ad for 31% off on Silo 2 is being re-run again today exactly the same except with new expiry date of Aug 11, 2013.  Reg $159, now $109 - Digital Download only.

. . . just an fyi - I don't work for Smith Micro or Silo.