CENTER CITY (WPVI) -- Philadelphia is hosting the first ever WordCamp U.S.
The three day conference started Friday morning at the Pennsylvania Convention Center.
It's a national gathering for WordPress, the software used to create more than 25 percent of the websites on the internet.
Dozens of sessions will offer participants ideas and techniques for their websites.
2 thousand people are expected to attend throughout the weekend.
Wordpress gathers at the Convention Center