1 - WordPress.com
2 - Udemy.com
3 - OpenStreetMap.Org
4 - Liveinternet.ru
5 - Thinglink.com
6- HP.com
7 - Codecademy.com
8 - Ted.com
9 - Zotero.org
10 - Github.com
11 - Goodreads.com
12 - Devpost.com
13 - Vocabulary.com
14 - Theverge.com
15 - N4g.com
16 - Trello.com
17 - https://intensedebate.com/
20 - Write.as
21 - https://disqus.com
22 - http://www.panoramio.com
23 - https://addons.mozilla.org
24 - https://myspace.com
25 - https://www.openstreetmap.org
26 - http://en.gravatar.com
27 - https://www.zotero.org
28 - http://www.last.fm
29 - http://www.livejournal.com
30 - https://www.ted.com
31 - https://soundcloud.com
32 - https://www.amazon.com/ap/signin
32 - http://www.deviantart.com
33 - https://join.app.net
34 - https://getsatisfaction.com
35 - http://visual.ly
36 - http://www.bookcrossing.com
37 - https://about.me
38 - http://orcid.org
39 - http://www.newsvine.com
40 - https://angel.co