Amazon prevents authors and other stakeholders from leaving book reviews

Google Trends now has charts updated monthly that list the top searches in over 40 categories. A smattering of top searches — actor: Salena Gomez; athlete: Michael Jordan; authors: William Shakespeare. [Source: Google Trends]

The microsoft cofounder announced via Twitter that his band the Underthinkers will be putting out its debut album, “Everywhere at Once.” Amazon describes it as full of “blues-based rock guitar nuggets.” [Source: BetaBeat]

HP reported earnings per share of $.87, while analysts predicted $.81. Revenue was weaker at $27.58 billion, while the street had predicted $28 billion. [Source: Hewlett Packard]

Pittsburgh-based GiftCards.com will buy San Francisco-based startup Giftly to grow its mobile platform. Giftly has raised about $2.8 million in venture capital. It will remain in San Francisco but rolled into GiftCards.com. The terms of the deal weren’t disclosed. [Source: TechCrunch]

Twitter is rolling out two-step authentication for user accounts. Coming in the wake of a series of a account hacks, the feature asks users to enter a six-digit code from their mobile phones after they have signed in via username and password. The feature can be enabled in Twitter’s settings menu, although it doesn’t yet seem available to everyone. [Source: The Verge]

French startup Cookening has launched today, targeting tourists who want to eat homecooked meals. Cookening lets people invite travelers into their homes, Airbnb style, for paid meals. Cookening takes a 20 percent cut of the price as commission. [Source: The Next Web]

Google has revamped its Drive app for Android, adding a grid view for documents and files, and adding a new scanning feature. The update also offers offline support, letting you download copies of your files to your devices. [Source: Google]

Adobe has acquired Thumb Labs, the New York-based company that developed Behance’s mobile apps. The deal is effectively an acqui-hire, meaning the entire team – consisting of fewer than 10 people – will move in SoHo offices of Behance, which is owned by Adobe. [Source: The Next Web]

Twitter has updated its Twitter for Mac today. One big improvement listed is Notification Center integration. [Source: 9to5Mac]

Michael Gartenberg has left his job as a tech analyst at Gartner Inc for a job at Apple. According to sources, Gartenberg will be working on Apple’s marketing team under global marketing chief Phil Schiller. [Source: Forbes]

Amazon has submitted plans for a new headquarters in Seattle. The building is reportedly a mixture of a skyscraper, tri-sphere, and a bio-dome-like space. [Source: TechCrunch]

Runscope, a startup that offers tools to monitor API traffic and address the problems with broken APIs, announced today that it has $1.1 million in seed funding. Funding came from True Ventures and Andreessen Horowitz. [Source: TechCrunch]

Rumors have been circulating that Microsoft’s upcoming Internet Explorer 11 will support WebGL. The latest hint of this came from a Vine teaser that stated ”what’s next? WebGL?”. [Source: The Verge]

At the Future in Review conference today Collaborate.com launched its program today. The company aims to make an online mapping platform that goes above and beyond Google Earth. [Source: CNET]

LexisNexis has announced that it will be closing its Bellevue offices by the end of the year. According to GeekWire 80 jobs will be affected by this development. [Source: GeekWire]

Photo sharing app Piictu announced today that it is joining forces with betaworks company Kandu. While the Piictu app will be shutting down on May 31, the company claims the two  will work to make new products in the future. [Source: TechCrunch]

A recent FCC filing has confirmed that the much-rumored Google X Phone will be coming to Sprint. The device will supposedly be available later this year. [Source: BGR]

Tipbit is a startup working to make “everyday business tasks faster and easier.” The company is backed by Ignition Partners and Andreessen Horowitz and according to an SEC filing has already raised $1.95 million in debt financing. [Source: GeekWire]

Twitter today unrolled a new feature for select advertisers called Lead Generation Card. This feature allows users to sign up for advertisers’ programs using expanded tweets. [Source: CNET]

Cardeas Pharma, a Seattle-based biotech startup led by Bruce Montgomery, has raised $34 million. Funding was led by H.I.G. BioVentures. [Source: GeekWire]