Quick Poll! The most significant advancement for mobile content & commerce in the last 10 years was…?

So this month MEF will be at MWC for our 10th amazing year, and we’re asking the question, in that whole time, what was the most significant advancement for mobile content & commerce? It’s a mighty long time in the mobile world, so we’ve boiled our favourites down to five suggestions (we didn’t include the iPhone, sorry) – let us know what you think! And if you’re coming along to Barcelona this year, be sure to sign up for the party!