The 2010 timeline

No events recorded for January in this category.

No events recorded for February in this category.

No events recorded for March in this category.

1. Apr5
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   WikiLeaks publishes the Collateral Murder video

   WikiLeaks released classified 2007 footage from a US helicopter attack in Baghdad that killed civilians and two Reuters staff, the first of the year's major leaks.

No events recorded for May in this category.

1. Jun21
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   Quora opens to the public

   The question-and-answer site founded by two ex-Facebook engineers ended its invite-only beta, promising answers from people with first-hand knowledge.

1. Jul25
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   WikiLeaks publishes the Afghan War Diary

   More than 75,000 classified US military documents on the war in Afghanistan were published in coordination with The Guardian, The New York Times and Der Spiegel.

1. Aug4
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   Google cancels Google Wave

   Fourteen months after its hyped debut, Google announced it would stop developing Wave, its real-time collaboration tool, because too few people used it.

2. Aug30
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   Gmail launches Priority Inbox and calls from Gmail

   In the last week of August Gmail added phone calls from the inbox and Priority Inbox, which automatically sorted important messages to the top.

1. Sep28
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   AOL buys TechCrunch

   AOL announced the acquisition of the Silicon Valley news site on stage at TechCrunch Disrupt, part of its push to become a content company.

1. Oct22
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   WikiLeaks publishes the Iraq War Logs

   Nearly 400,000 US Army field reports from Iraq, the largest leak in US military history at the time, were published with partner newspapers.

1. Nov28
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   Cablegate: WikiLeaks begins publishing US diplomatic cables

   WikiLeaks and five newspapers began releasing 251,287 US State Department cables. Within days Amazon, PayPal, Visa and MasterCard cut the site off, and its domain was dropped.

2. Nov29
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   Cyber Monday becomes the first billion-dollar online shopping day

   comScore reported US online spending of about $1.03 billion on 29 November 2010, the heaviest online shopping day recorded to that point.

1. Dec3
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   Groupon reportedly turns down Google's $6 billion offer

   The daily-deals company walked away from what would have been Google's largest acquisition and filed for its own IPO the following year.

2. Dec16
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   A leaked Yahoo slide marks Delicious for "sunset"

   An internal Yahoo slide listing Delicious among services to be shut down leaked, prompting a mass export of bookmarks; Yahoo sold the site to AVOS the following year.