<p>The plugin was created by San Francisco-based firm StreakIt's aimed at marketing professionals, but can be used by any Gmail usersStreak tracks details each time an email is sent, and subsequently openedIt reveals the name and device details of the person who opened the emailThe system can also reveal the reader's name and location detailsStreak can even tell senders how many times a person has read an email</p><p>ByVictoria Woollaston</p><p>PUBLISHED: 07:40 EST, 12 February 2014 | UPDATED: 07:42 EST, 12 February 2014</p><p>The plugin, from San Francisco-based firm Streak, lets senders see when their emails have been opened and the reader's location, pictured</p><p><a href="http://www.dailymail.co.uk/sciencetech/article-2557576/Gmail-tells-senders-recipient-opens-email-reveals-were.html">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.washingtontimes.com/news/2014/feb/13/gmails-new-tracker-tells-when-where-users-open-ema/">Gmail&#039;s new tracker tells when, where users open email</a> (Washington Times)</p><p><a href="http://www.huffingtonpost.com/2014/02/12/streak-gmail_n_4774889.html">Horrifying Gmail App Informs People When You Open Their Email</a> (Huffington Post)</p><p><a href="http://www.thewire.com/technology/2014/02/new-gmail-app-wants-make-it-impossible-you-ignore-people-online/358063/">New Gmail App Wants to Make It Impossible For You to Ignore People Online</a> (The Wire)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dkhWCQ80BTaWQcMrUub7ElLIZle9M&authuser=0&ned=us">13 additional articles.</a></p>