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Tech news from around the web:

Twitter has acquired Bagcheck, a service that allows users to create, discover and share lists, for an undisclosed price, The Next Web reports. Co-founder Sam Pullara will be joining the Twitter engineering team as part of the acquisition.

Less than a month since launching in the US, Spotify has 1.4 million registered users in the US says a source familiar with the company’s operations, AllThingsD reports.  Read more >>

Tech news from around the web:

Facebook has acquired e-book publisher Push Pop Press for an undisclosed price, ReadWriteWeb reports. The technology will “become part of how millions of people connect and share with each other on Facebook,” Push Pop Press said on its site. Read more >>

Tech news from around the web:

Square is now processing $4 million in mobile payments daily, TechCrunch reports. The company is on track to reach over $100 million in transactions in July.

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Tech news from around the web:

Facebook is gearing up to launch an official iPad app, according to the New York Times. The app has been in production for almost a year and is in the final stages of testing, the report says. Read more >>

Tech news from around the web:

Facebook is building a photo-sharing app, TechCrunch reports. TechCrunch has leaked screenshots and documents about the upcoming iPhone app from Facebook. Read more >>

Tech news from around the web:

Google has announced  its new solar energy fund for SolarCity, a residential solar power provider, ZDNet reports. Google’s $280 million dollar investment in the fund is the company’s largest in clean energy to date, the company said in a blog post.  Read more >>