The document discusses the history and evolution of blogs and microblogging. It describes how blogs allowed multiple conversations through comments and links that formed early social networks. Microblogging platforms like Twitter further shortened updates to SMS length and included hashtags and other conventions. These technologies enabled new forms of real-time communication and user-generated content through APIs that powered mashups.

1. Blogosfera &
Texto
microblogging
Joaquín Salvachúa
Jsalvachua@dit.upm.es
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5. http://gephi.org/2011/the-egyptian-revolution-on-twitter/
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6. Conversations
• Blog readers coments .
• This stablish links between
blogs
• This links are the pre-social
network social graph.
•
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7. Blogshpere
Usually a web allows information with 1 person
(publish-subscribe)
Blogs allows multiple conversations (1 to many)
(comments and tracebacks).
Blogsphere (a blog network)allows multiple
conversations ongoin.
All stay there : permalink

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8. web WWW 1.0
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9. Basic Architecture
• Components:
• HTTP
• HTML
• URL (URI)
• Simetric =>
ADSL
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10. Enabling
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11. Spider vs. Starfish.
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12. Networks
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13. Scale-free network
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14. Social Groups
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15. Small world vs
random (erdos)
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18. ¿Still ongoing?
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19. ¿¿ Still growing ??
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20. ¿What is a blog?
• Temporal inverse ordering
(last first).
• Blog or online diary.
• Links to many other sites
•
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21. Ecosystem
• Relationship between
different sites.
• Related by comentaries and
blogRolls.
• Latelly users dont comment
•
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22. Top 5 blogs in the
world
• Nombre
Blog
1. TechCrunch
-­‐
techcrunch.com
2. Mashable
-­‐
mashable.com
3. Engadget
-­‐
engadget.com
4. Boingboing
-­‐
boingboing.net
5. Googleblog
-­‐
googleblog.blogspot.com
*
datos
de
www.technora/.com
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23. You have your
own blog?
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24. Build your own
blog
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25. Find your
own tribe
and guide it
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26. Search
• Searching : Google o Bing.
• http://technorati.com/blogs (not anymore main
source).
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27. Pagerank
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28. Folsonomies vs.
Ontologies
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29. Tumblers
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30. Easy way to create
contents
• http://tumblr.com
• http://posterous.com/
• Easy captures, mails sends by friends, etc.
• Life foam (little though on it)
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31. RSS
Subscription
Protocol
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32. Symbols on browsers
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33. Versions
MCF
Dec 96
|
+---------------------+----------------------+
| |
RDF CDF
Feb 97 Mar 97
| |
RSS 0.9-------------------------------ScriptingNews
Mar 99 Dec 97
| | |
| +-----------------------------+ |
| | |
| RSS 0.91
| Jul 99
| |
RSS 1.0 RSS 0.92
Dec 00 Dec 00
| | |
| | +----------------+----------------+----------------+
| | | | |
| | RSS 0.93 RSS 0.94 |
| | Apr 02 Aug 02 |
| | |
| +-----------------------------------------------------------------+ |
| | | |
| | RSS 2.0
| | Sep 02
| | |
| +----------------------------------------------------------------+ |
| | |
| Atom 0.3
RSS 1.1 Dec 03
Jan 05 |
Atom
Jul 05
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34. Mashups
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35. Allows Mashups
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36. Linkeddata
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38. Agregators and
planets
• Allow to pack information about a same theme.
• Relevant to the same users.
• Others are podcast-videocast-*cast
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39. Microblogging
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40. microblogging
• Like blogs but with less info : SMS lenght.
• Several codes (hashtags, etc).
• Aplications and mashups
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41. Different social
network
• Asymetric network (Directed graph)
• Fan concept
• Follower
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42. Real time web
• Information in real time
• Technical problem : NoSQL
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43. Express your
own ideas.
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