Verizon Wireless has sold over 1 million Apple iPhone 4 devices. About 60% of the sales were preorders, which is why the retail lines were a bit small on launch day. Not bad considering that 1.7 million iPhone 4s were debuted last year. Another reason why there wasn’t a larger number of sales is because some people are holding out for the iPhone 5 due this summer. [The Street]

According to a research note taken from Bernstein Research analyst’s Toni Sacconaghi meeting with Tim Cook, Apple is confident in expanding the market for the iPhone. The iPhone expanded Apple’s sales of other products, especially in emerging markets.

Groupon has launched in China under the name Gaopeng.com. The website will initially cover Beijing and Shanghai. Tencent Holdings and Yunfeng Capital are investors in Gaopeng. Yunfeng Capital is a private equity fund started by Alibaba.com Chairman Jack Ma. Some of Gaopeng.com’s competitors include Lashou.com and Meituan.com. [Bloomberg]

Google Inc. (NASDAQ:GOOG) has acknowledged that 120,000 Gmail users were hit with downtime. These users reported missing e-mails, labels, and contacts. When users reported the error, Google updated their App Status Dashboard.

Research In Motion (RIM) is adding support for Android applications on the BlackBerry PlayBook. This is interesting considering that BlackBerry has their own competing mobile application store called BlackBerry App World. A RIM representative was caught in the video below saying “we will also support Android apps when we release the Dalvik engine on top of QNX.” This video was filmed at Mobile World Congress.

Apple Inc. (NASDAQ:AAPL) is testing out a gesture-based lock screen feature where a user sets up a pattern. The iPhone user would be required to connect the pattern dots with their fingers to unlock the phone. The test name for this Apple project is AppleConnect. This would replace the four number code and Apple has already deployed this lock screen for internal employee use. However we may not see this feature come to consumer iPhones if Google has a patent on the feature. [9to5Mac]

In another effort to phase out the common Facebook Share button, the social networking company has made it so that the Like/Recommend button on third party websites shows up as a full news feed post. This gives third party websites more of an incentive to embed the button because they will see higher social media referral traffic this way as well. [InsideFacebook]

There is a lot of speculation about how J.P. Morgan and angel investor Chris Sacca acquired about 10% of equity in Twitter for $450 million. The most interesting part here is how the funding round was conducted. It was not done as a venture capital series of funding.