If you are planning to travel to the United States of America, either as a tourist or on business purposes. You can't live more than 90 days. To know in detail read here...
https://wannabay.com/blogs/view/5464
http://facebookhitlist.com/profiles/blogs/esta-form-requirement-for-traveling-to-the-us
https://wannabay.com/topics/view/1802
http://lyricsandvoicez.com/blogs/post/89552

fwiends!