The Democratic Party kind of sat out the recall. Sort of. Or they came a little late, with the "A" team a little less than fully represented:
http://www.democraticunderground.com/1002690214
So to pick up the slack, ActBlue and MoveOn -- among other progressive organizations -- kind of pooled their resources. This link has the names of both organizations right up at the top of the page:
https://secure.actblue.com/entity/fundraisers/8302
If you made a donation, or signed a petition, that could be how your name passed form one list to another.
...And after this latest election season, if you donated to any Democrat, it wasn't surprising to see other campaigns showing up with emails in your inbox. With requests of their own. It's just anecdotal, but I think the more donations you made the more likely you were to get all kinds of appeals.
P.S.
The timing for this Black Friday boycott is really good. Just a couple of days ago, revelations about international bribery charges were made:
http://www.dailyfinance.com/2012/11/16/walmart-mexican-bribery-probe-china-brazil-india/
Following what we already know about 'the high cost of low prices' and their labor practices, in general:
http://www.guestworkeralliance.org/2012/06/probe-reveals-622-federal-labor-violations-at-12-u-s-walmart-suppliers/