Campbell et al v. Facebook Inc.
Filing
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Administrative Motion to File Under Seal Documents In Support of Its Objection to and Request to Strike New Evidence and Misstatements of Fact Contained in in Plaintiffs Reply in Support of Their Motion for Class Certification filed by Facebook Inc.. (Attachments: # 1 Declaration of Nikki Stitt Sokol in Support of Defendant Facebook Inc.s Administrative Motion to File Documents In Support of Its Objection to and Request to Strike New Evidence and Misstatements of Fact Contained in Plaintiffs Reply in Support of Their Motion for Class Certification Under Seal, # 2 [Proposed] Order Authorizing the Filing of Documents Under Seal, # 3 Proof of Service, # 4 Exhibit 1 (Unredacted), # 5 Exhibit 2 (Redacted), # 6 Exhibit 3 (Unredacted), # 7 Exhibit 4 (Redacted), # 8 Exhibit 5 (Unredacted), # 9 Exhibit 6 (Redacted))(Chorba, Christopher) (Filed on 2/26/2016)
EXHIBIT 6
REDACTED VERSION OF DOCUMENT(S)
SOUGHT TO BE SEALED
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GIBSON, DUNN & CRUTCHER LLP
JOSHUA A. JESSEN, SBN 222831
JJessen@gibsondunn.com
JEANA BISNAR MAUTE, SBN 290573
JBisnarMaute@gibsondunn.com
PRIYANKA RAJAGOPALAN, SBN 278504
PRajagopalan@gibsondunn.com
ASHLEY ROGERS, SBN 286252
ARogers@gibsondunn.com
1881 Page Mill Road
Palo Alto, California 94304
Telephone: (650) 849-5300
Facsimile: (650) 849-5333
GIBSON, DUNN & CRUTCHER LLP
CHRISTOPHER CHORBA, SBN 216692
CChorba@gibsondunn.com
333 South Grand Avenue
Los Angeles, California 90071
Telephone: (213) 229-7000
Facsimile: (213) 229-7520
Attorneys for Defendant
FACEBOOK, INC.
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UNITED STATES DISTRICT COURT
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NORTHERN DISTRICT OF CALIFORNIA
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OAKLAND DIVISON
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MATTHEW CAMPBELL and MICHAEL
HURLEY,
Plaintiffs,
v.
FACEBOOK, INC.,
Defendant.
Case No. C 13-05996 PJH
PUTATIVE CLASS ACTION
DECLARATION OF DALE HARRISON IN
SUPPORT OF DEFENDANT FACEBOOK,
INC.’S OBJECTION TO AND REQUEST
TO STRIKE NEW EVIDENCE AND
MISSTATEMENTS OF FACT
CONTAINED IN PLAINTIFFS’ REPLY IN
SUPPORT OF THEIR MOTION FOR
CLASS CERTIFICATION
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Gibson, Dunn &
Crutcher LLP
DECLARATION OF DALE HARRISON IN SUPPORT OF DEFENDANT FACEBOOK, INC.’S OBJECTION TO AND REQUEST
TO STRIKE NEW EVIDENCE AND MISSTATEMENTS OF FACT CONTAINED IN PLAINTIFFS’ REPLY IN SUPPORT OF
THEIR MOTION FOR CLASS CERTIFICATION - Case No. C 13-05996 PJH
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I, Dale Harrison, declare as follows:
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I have been employed as a software engineer at Facebook since August 2014, and my
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current title is Engineering Manager. I am over the age of 18. I have personal knowledge of the
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matters stated herein and, if called as a witness, could and would testify competently thereto.
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I provide this Declaration in support of Facebook’s Objection to New Evidence in
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Plaintiffs’ Reply In Support of Motion for Class Certification in order to address some of the new
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assertions in the new Report of Dr. Jennifer Golbeck in Support of Plaintiffs’ Motion for Class
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Certification (dated February 19, 2016 (Dkt. 166-7 and Dkt. 167-1, Ex. 1)), specifically with regard
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to her new proposed query for ascertaining purported class members.
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Dr. Golbeck’s New Proposal to Identify Class Members
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I understand that Dr. Golbeck is now proposing that
could be written that would identify the senders and recipients of
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Private Messages sent during the Class Period with URL attachments
(Dkt. 166-7, ¶ 9.) This is incorrect, and Dr. Golbeck’s proposed query appears to
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rely on several incorrect assumptions.
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First, contrary to the suggestion in Dr. Golbeck’s report, there is no single “
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database” that can be directly queried for “
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the Messages system compromising an underlying set of databases (known as “Hbase”) and a set of
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application servers, which (among other things) are used to process data to and from the underlying
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databases. Hbase is the permanent storage for records of each action taken in connection with
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Messages, such as sending, deleting, reading, or otherwise acting on a message. Roughly
2011), there may have been more than
in the way that Dr. Golbeck assumes.
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5.
Second,
to identify those records that
correspond to message sends (as opposed to other message actions).
.
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Gibson, Dunn &
Crutcher LLP
is the internal name for
every day. Therefore, since the beginning of the class period (December 30,
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.” Instead, “
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DECLARATION OF DALE HARRISON IN SUPPORT OF DEFENDANT FACEBOOK, INC.’S OBJECTION TO AND REQUEST
TO STRIKE NEW EVIDENCE AND MISSTATEMENTS OF FACT CONTAINED IN PLAINTIFFS’ REPLY IN SUPPORT OF
THEIR MOTION FOR CLASS CERTIFICATION - Case No. C 13-05996 PJH
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. To my
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knowledge, such a query has never been attempted. The only effort of which I am aware that
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required
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. If a person could write
code that would be able to
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—and I do not know if
this is even possible, as it never has been attempted before—the search process may likewise take
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. Again, there is no certainty that such a process could even complete
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successfully; as with any extremely large, distributed system, Facebook incurs hardware failures,
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upgrades or reductions in capacity, and other similar issues all the time. Moreover, Facebook’s
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efforts to operate its service in the meantime would likely result in interruptions and other errors that
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could prevent the code from completing and/or producing reliable results.
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Third, even if Facebook could generate a list of “
” over a five-year
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period, Dr. Golbeck is incorrect that her proposed query would isolate messages that contained URL
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attachments. An attachment can be one of a number of types, such as a video, a photo, a URL, or a
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sticker, among other things. Therefore, identifying all messages with “
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even if it were possible—would not be the same thing as identifying messages that contained URL
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attachments (which I understand would be necessary to identify putative class members). Without
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actually examining the content of each
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types of attachments it represented. As noted, a particular
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of attachments in addition to a URL.
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Gibson, Dunn &
Crutcher LLP
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” or attachments—
, it would not be possible to know which of these
could represent many other types
There are several additional problems with Dr. Golbeck’s proposed query. The
following is a non-exhaustive list:
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Facebook’s method of storing and representing data about messages and their
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DECLARATION OF DALE HARRISON IN SUPPORT OF DEFENDANT FACEBOOK, INC.’S OBJECTION TO AND REQUEST
TO STRIKE NEW EVIDENCE AND MISSTATEMENTS OF FACT CONTAINED IN PLAINTIFFS’ REPLY IN SUPPORT OF
THEIR MOTION FOR CLASS CERTIFICATION - Case No. C 13-05996 PJH
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attachments has changed considerably over the past several years (and throughout the
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proposed class period). Accordingly, any attempt to write code that would
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would require customizing the code based on how messages were stored at each
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particular point in time. Therefore, efforts to craft code that would accommodate
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variations in storage structure will necessarily be vulnerable to error.
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•
Even if a given field were used over multiple years, there is no guarantee that it was
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populated consistently. How and whether a field was populated would depend, among
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other things, on
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, and the like.
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Information about deleted messages (beyond the
) is
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and therefore the results of Dr. Golbeck’s query (even if it were feasible) would not
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include
,
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•
in deleted messages.
Varying user behavior at different points in time
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) may influence not only whether an
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a message, but also whether a successfully created
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was created for an attachment to
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I declare under penalty of perjury under the laws of the United States of America that the
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foregoing is true and correct and that this declaration was executed on February 26, 2016, in Menlo
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Park, California.
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/s/ Dale Harrison
Dale Harrison
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Gibson, Dunn &
Crutcher LLP
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DECLARATION OF DALE HARRISON IN SUPPORT OF DEFENDANT FACEBOOK, INC.’S OBJECTION TO AND REQUEST
TO STRIKE NEW EVIDENCE AND MISSTATEMENTS OF FACT CONTAINED IN PLAINTIFFS’ REPLY IN SUPPORT OF
THEIR MOTION FOR CLASS CERTIFICATION - Case No. C 13-05996 PJH
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ATTORNEY ATTESTATION
I, Christopher Chorba, attest that concurrence in the filing of this Declaration of Dale
Harrison has been obtained from the signatory. I declare under penalty of perjury under the laws of
the United States of America that the foregoing is true and correct. Executed this 26th day of
February, 2016, in Los Angeles, California.
/s/ Christopher Chorba
Christopher Chorba
Dated: February 26, 2016
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DECLARATION OF DALE HARRISON IN SUPPORT OF DEFENDANT FACEBOOK, INC.’S OBJECTION TO AND REQUEST
TO STRIKE NEW EVIDENCE AND MISSTATEMENTS OF FACT CONTAINED IN PLAINTIFFS’ REPLY IN SUPPORT OF
THEIR MOTION FOR CLASS CERTIFICATION - Case No. C 13-05996 PJH
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