Google just said at Day Two Keynote that users have installed 70 million web apps found in the Chrome Web Store in the first three months. To put things in perspective, Google said Chrome has been downloaded 160 million times worldwide so far. The store is also available in 40 new languages as of today.

The company also introduced a simple way to enable one-click purchases withing web apps themselves, via Google Checkout. So, what’s the deal? Unlike Apple which takes 30 percent cut on iTunes content sales or in-app purchases, Google said it would take just five percent. “We at google felt we can do a little better”, a Google engineer said during the keynote in a hint at Apple’s 70:30 revenue sharing deal.

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