Sorry for the dribble of updates, but this is the last one. The July 2014 spike appears to correlate with Kindle Unlimited announcement and backlash to it: http://www.theawl.com/2014/07/seriously-fuck-you-kindle-unlimited
I couldn't find any news related to the November 26, 2012 spike, so I had a closer look at the accounts and discovered that on Nov. 28, anandbot reverted over 72,000 spam edits <https://openlibrary.org/people/AnandBot?page=31>, so I guess that accounts for that spike. This was done separately from the standard revert mechanism, so I hadn't found them before. BTW, although I generated the stats as part of my spam investigation (and I have a separate list of spam accounts and their dates of creation, activity, & deletion), I was really just forwarding the chart for general interest, not to imply that it had anything to do with spam. As of yesterday, a total of 1,220,421 OpenLibrary accounts had been created, of which 6700 have been reverted as spammers, which isn't too bad percentage-wise. This doesn't include the 2000 account from Nov, 2012 e.g. https://openlibrary.org/people/nanapbioblis1974 They don't appear to have been deleted. Have they at least been locked/disabled? Here ends random statistical updates for the new year... Tom On Tue, Jan 5, 2016 at 12:20 PM, Tom Morris <tfmor...@gmail.com> wrote: > In February 2011, it looks like the eBook lending program was launched as > well as the site redesign. > > > https://blog.archive.org/2011/02/22/in-library-ebook-lending-program-launched/ > https://blog.openlibrary.org/2011/02/22/get-thee-to-a-library/ > > This news was picked up by ReadWriteWeb, c|net, and others which probably > drove that spike in signups: > > > http://readwrite.com/2011/02/22/internet_archive_partners_with_150_libraries_to_la > > http://www.cnet.com/videos/free-e-book-lending-on-open-library/ > > > http://www.infodocket.com/2011/02/22/internet-archives-open-library-launches-in-library-ebook-lending-program-more-than-80000-titles-available/ > >> >>
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