Default crash report submission destination

It's probably a mixed Apport & Whoopsie Daisy related issue, so let's start with Apport.
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If I've understood it correctly, in Ubuntu 12.04 LTS release, according to the "new error tracking design concept" (https://wiki.ubuntu.com/ErrorTracker) the default crash reporting routine is following:
1) when a program crash occurs, it gets caught by Apport and a crash report is formed;
2) then a user notification appears -- if a user agrees to send a report, it gets expanded with needed info and sent _somewhere_ (in background, without any user intervention).
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In development releases, the crash report routine remains to be a "traditional" one -- with crashes reported at Launchpad;
for stable Ubuntu releases, the only way to turn on the "traditional crash reporting routine" (for advanced users) seems to be the commenting out of line 23 in '/etc/apport/crashdb.conf' -- look at a bug #994921.
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At last, here are the questions:
1) Where do the crash reports get sent by default in Ubuntu 12.04 LTS release?
2) Can a user find and view such an "automatic background submitted" crash report at all? Can he view his own reports? Can he view reports submitted by others?
3) Can a user check if some of such crash reports is reviewed by developers?