1.
Google MiniBarcamp Lisbon
April 2009

2.
Activity stream

3.
Activity stream

4.
Activity stream

5.
Activity stream

6.
Activity stream

7.
Features
• Verb
• Noun
• Optional: avatar, user name, context, ...

8.
Information flow
• How to make sense?

9.
Information flow
• How to propagate?

10.
Pull
• Simple
• ATOM based
• Organic growth
• Platform independent
BUT...

11.
Full pull
Dramatic growth == huge FAIL!

12.
Pull with middleman
Better, but not realtime...

13.
Push with middleman
~Realtime, context aware and reversible

14.
More info
• http://activitystrea.ms/
• Atom Activity Based Schema
http://martin.atkins.me.uk/specs/activitystreams/activityschema
• Atom Activity Extensions
http://martin.atkins.me.uk/specs/activitystreams/atomactivity

15.
Thank you!
Bruno Pedro
bpedro@tarpipe.com
twitter: @bpedro
tarpipe.com/user/bpedro