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"Well now, this is interesting.\u00A0 A blog  post from Mozilla today brings to light the habits of those using Private  Browsing.\r\n\r\nThe feature, first introduced in Firefox 3.5, gives  web browsers the option of browsing the web without keeping track of  their history.\r\n\r\nSome of the more interesting aspects (with my  thoughts in bold) to come out of the Test  Pilot study :\r\n\r\nActivation spikes at lunch.\r\n\r\n\r\n\r\nThough people switch  into Private Browsing mode throughout the day, there are a few periods  where activation surges:\r\n\r\n\tLunch: users likely switch into  Private Browsing during their      lunch breaks.\u00A0 We see a major spike  between 11 and 2pm.\r\n\r\n(No surprise.\u00A0 No one wants their  employer to know what they\u2019re looking at during their lunch break.)\r\n\r\n\tAfter School / Work: users appear to switch on Private Browsing  just after      they\u2019ve returned from work or school, which is around  5pm.\r\n\r\n(Very interesting.\u00A0 Parents should take  note of as children get home from school and switch to Private Browsing  before their parents get home sometime around 5.\u00A0 One can only imagine  what they\u2019re doing on the web during that time.\u00A0 Lascivious pictures of Justin Bieber and/or Miley Cyrus anyone?)\r\n\r\n\tAfter  Dinner: we      have another substantial peak between nine and ten  pm.\r\n\tLate Night: a minor spike exists an hour or two after  midnight.\r\n\r\n(These last two are almost to easy to  comment on given that most Private Browsing takes place in a 10-minute  window, outlined below.\u00A0 You can imagine what takes place in that brief  amount of \u201Cprivate\u201D time after dinner and late in to the night.)\r\n\r\nThe 10-minute window is the most  common.\r\n\r\n\r\n\r\nNow  that we know when users jump into Private Browsing, the next  question involves finding out how long users stay in it.\u00A0 The  25th percentile stays on for about 4 and a half minutes, the 75th  percentile around 22 minutes, and the median stays in for about 10  minutes.\r\n\r\nWhat one can glean from this information is that  people like to have their \u201Cme\u201D time, whatever you interpret that to be,  and they keep it short and sweet.\r\n\r\nAll of this evidence points to  one thing and one thing only.\u00A0 People enjoy browsing videos of cute  cats in private, videos which last, on average, 10 minutes.\r\n\r\n"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2010/08/23/firefox-uncovers-most-common-10-minute-periods-of-private-browsing/>