Complete the article with the Present Perfect or Present Perfect Continuous of the verbs in brackets: Shaun Usher is a blogger who, since 2009, 1. (collect) letters written by famous people, from the 14th century to the present day. He 2. (post) them on his website, which 3. (become) extremely popular around the world. He 4. (get) together a total of 900 letters, including letters by Leonardo da Vinci, Frida Kahlo and Alfred Nobel. He 5. just (release) the letters in a book, called Letters of Note. Usher 6. recently (start) a new project: he 7. (gather) lists written by famous people and so far he 8. (obtain) 125 lists, including lists by Marylin Monroe and Mahatma Gandhi. These will soon be published as a book, Lists of Note.