Then, when they are contracted or deleted, the blocks they use are freed up.
Even if they deleted regular cookies, information about their Web-browsing could have been retained by Microsoft.
But Mr. Massoud said the FBI report still doesn't adequately explain why one file was deleted.
Those witnesses include two who took a video and photograph, then deleted the images.
Kalina stopped short of vowing to quit Instagram, saying he hopes that language will be deleted.
South China Morning Post says the users' comments were later deleted from Sina news portal.
Many others said the switch had wiped out email settings, deleted aliases and re-set filters.
Some unlucky customers had to suffer thousands of deleted messages being re-delivered several times.
But less than half (44%) have deleted comments made by others on their profile.
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The DVD is packed with deleted scenes easily accessible from a simple to use menu.
But Facebook allowed access to the content, even after users had deactivated or deleted their accounts.
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An agency spokeswoman says any data found to be irrelevant will be deleted from the files.
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By the afternoon, it had been deleted, only to be posted again in the evening.
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Mr Guest has been unavailable for comment and his Facebook profile has been deleted.
Earlier this month, another whistle-blower document, Cryptome.org, was hacked and had its files temporarily deleted.
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In a Facebook post (since deleted) SendGrid announced it had given Richards the ax.
He said he deleted the video the next morning when he realized it was wrong.
If the victim has also deleted the distressing e-mail, the evidence may be gone for good.
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Digital records are extremely fragile and can easily be lost, deleted, corrupted or altered.
Since the account was discovered Tuesday, it has disappeared from public view (or been deleted).
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And he never asked that e-mails be deleted or asked for the authority to delete e-mails.
In Scotland, the DNA of most of those arrested but not convicted is later deleted.
Copying the files in these folders to a hard drive stopped them being automatically deleted.
"There is a special module for recovering deleted files from USB sticks, " Mr Kamluk said.
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His tweet was later deleted, but still appeared in a log on his website.
The kid immediately deleted the game app and swore that it would never intrude again.
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In the IG survey, respondents indicated that most information is not being actively deleted.
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The airline says all personal profile details are deleted from the airline's systems 48-hours after the flight.
Mr Brown also had doubts that information would be deleted once its expiry period had been reached.
The tweet was deleted sometime after but it is almost certain that the FA will charge Cole.
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