4. $ Hello!

5. $ whoami
@markandey

6. I work
@
Yahoo!

7. I am a
{JavaScript}
Hacker

8. Advertising on web is not same
as on paper.

9. On web, Ads Have power of
HTML5.

10. To make great
(html5 app)
Ads

11. shift your point of
view

12. From Ad to data

13. From Ad to data

14. Ad is not start

15. Ad comes at the
end and need
most of the work

16. What you start with is
information
and a goal

17. What you start with is
1nf0rmat10n
and a goal

18. On Web
information
is not always structured

19. YQL makes easy to
access unstructured
data

20. YQL
is
Yahoo! Query Language

21. YQL
is
Yahoo! Query Language
and its not a language of its
own.

22. YQL
is a
web service
which works on SQL like syntax

23. YQL lets you
access data from
Yahoo!

24. YQL lets you
access data from
Yahoo!
&
rest of web

25. Select {What} from
{service} where
{condition};

26. For example

27. select * from flickr.photos.search where
text=”Delhi" and
api_key='2149834c0fb3e9e84de9c31d50c
7a97d'

28. Lets start with YQL
console

29. SELECT A TABLE

30. SEE QUERY HERE

31. OUTPUT

32. TAKE AWAY QUERY
URL

33. http://query.yahooapis.com/{query}
URL  Output
<xml> {
‘json’:’json’
</xml }

34. Lets see with
example

35. select * from flickr.photos.interestingness

36. Here is the code

37. JSON
{
“photo”: “xyzphr”,
“user”: “phfhfb”
}

38. JSON with callback
foo ({
“photo”: “xyzphr”,
“user”: “phfhfb”
});

39. This is what you get
http://bit.ly/yqlflickr

40. YQL With PHP
$session = curl_init($yql_query_url);
curl_setopt($session, CURLOPT_RETURNTRANSFER,true);
$json = curl_exec($session);

41. YQL With YUI
YUI().use('yql', function(Y) {
Y.YQL('select * from weather.forecast where location=90210',
function(r) {
//r now contains the result of the YQL Query
//use the YQL Developer console to learn
//what data is coming back in this object
//and how that data is structured.
});
});

42. Page Scraping
select * from html where
url=“------" and
xpath=“--------”;

43. Delhi FM Radio

45. URL
select * from html where
url=“http://www.radiomirchi.com/delhi" and
xpath=“…”;

46. XPATH
select * from html where
url=“http://www.radiomirchi.com/delhi" and
xpath=“//marquee[@id="ticker_nowplaying"]”;

47. You can search currently
playing song
on youtube
select * from youtube.search
where query="currently playing song”

48. Can you think of a
hack???
+

49. This is what You get
http://bit.ly/ yqlmirchi

50. ChromYQLip
chromy-clip
bit.ly/yqlhtml

51. Content Analysis with YQL
bit.ly/yqlcap

52. One catch with CAP

53. One catch with CAP
URL length is
limited , so you
have to switch
back to POST,
method on YQL.

54. Lets see some
more hacks

55. Picture me
bit.ly/ pikme

56. What else YQL
can do????

57. You can create
your own table
Read more
bit.ly/yqlODT

58. My random hello!! table

59. You can store
secrets on YQL

60. Twitter oauth
SELECT * FROM twitter.STATUS.timeline.friends
WHERE oauth_consumer_key = '9DiJt6Faw0Dyr61tVOATA'
AND oauth_consumer_secret =
'XBF9j0B2SZAOWg44QTu6fCwYy5JtivoNNpvJMs6cA'
AND oauth_token = '18342542-NkgUoRinvdJVILEwCUQJ3sL2CIm2ZwzS5jjj2Lg7y'
AND oauth_token_secret =
'D6ewAzsueTzQmrAJGFH0phV5zgWT88FOtcMeqW4YeI';
oauth_consumer_key
oauth_consumer_secret YQL
oauth_token
Local
storage
oauth_token
60

61. Read more here
http://bit.ly/ yqloauth

62. Placemaker: geo this

63. You Can Also Access
Google Spreadsheet
via YQL

64. You need to publish
spreadsheet to the web

65. You need to publish
spreadsheet to the web
https://docs.google.com/spreadsheet/pub?key=
0AgGxPO1AxEhldFZDNzAzQldLSGp2MzVGVXdlUnIxeUE
&output=html

66. You need to publish
spreadsheet to the web
https://docs.google.com/spreadsheet/pub?key=
0AgGxPO1AxEhldFZDNzAzQldLSGp2MzVGVXdlUnIxeUE
&output=CSV

67. You need to publish
spreadsheet to the web
https://docs.google.com/spreadsheet/pub?key=
0AgGxPO1AxEhldFZDNzAzQldLSGp2MzVGVXdlUnIxeUE
&output=CSV
select * from csv where url=’….'

68. Google Spreadsheets
write-protected can have
specific access.

69. More Hacks here
http://bit.ly/markhack

70. Siri vs fake
http://bit.ly/ sirichrome

71. Reach me
http://bit.ly/yqlflickr
http://bit.ly/yqlmirchi
http://bit.ly/yqlhtml
http://bit.ly/yqlcap twitter
http://bit.ly/pikme
http://bit.ly/yqlODT
@markandey
http://bit.ly/yqloauth
http://bit.ly/markhack
http://bit.ly/sirichrome