They're now counting together full song mobile downloads (Chaka-uta full) + single track PC/smartphone downloads together. Previously, these were counted separately. Not really news for some but it hasn't been posted here.

Certifications for January 2014 are here.

Source

And the Japanese music market in 2013:

Should I change the title or is nobody interested in this?
You faves will have a bigger chance now to get a cert in Japan now, be happy.

Gee better grab those extra 250,000 confirmed sales.

so here for AL being Certified

Party in the US is now certified gold thanks to the new rule.

finally!!

What kind of Million smash

3 new certs to her total.

I can't at some random Ayu songs (I'm looking at you, teddy bear) getting certified.