First time with Add-ons?

https://addons.mozilla.org/en-US/firefox/addon/yoono-twitter-facebook-linkedi/?src=hp-dl-promo

https://addons.mozilla.org/en-US/firefox/addon/imtranslator/?src=hp-dl-promo

https://addons.mozilla.org/en-US/firefox/addon/simple-mail/?src=hp-dl-featured

https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/?src=hp-dl-mostpopular

https://addons.mozilla.org/en-US/firefox/addon/easy-youtube-video-downl-10137/?src=hp-dl-mostpopular

https://addons.mozilla.org/en-US/firefox/addon/noscript/?src=hp-dl-mostpopular

https://addons.mozilla.org/en-US/firefox/addon/sendtokindle/?src=hp-dl-upandcoming

https://addons.mozilla.org/en-US/firefox/addon/add-google-search-to-new-ta/?src=hp-dl-upandcoming

https://addons.mozilla.org/en-US/firefox/addon/auto-sort-bookmarks/?src=hp-dl-upandcoming

https://addons.mozilla.org/en-US/firefox/collections/mozilla/webdeveloper/

https://addons.mozilla.org/en-US/firefox/addon/personas-plus/?src=hp-dl-mostpopular