Families of conference goers continued to enjoy the variety of San Diego tourist attractions. Here a tired little girl returns from Sea World with her brother looking on.

In the late afternoon the sailboats glided across the bay much to the delight of O'Reilly visitors.

Sitting by the dock of the bay ...

The exhibit hall opened its doors on Wednesday. Business was lively at the booths, including Platinum sponsor Sun Microsystems.

Some exhibit hall vendors had colorful, interesting booths, such as this display by ArsDigita.

Wednesday saw the debut of the O'Reilly Summit on Open Source Strategies. Three panelists from the session, "Who Will Capture the Economic Benefits of Open Source in the Internet Operating System?" are from left to right, Michael Olson, Brian Behlendorf, and Hal Varian.

The open air Food and Beverage Tent has the Marina on one end, the bay on the other, and the Sheraton Hotel in the background.

The Fajita Fiesta on Wednesday night was the source of great food and lots of beverage ...

And the cool San Diego evening air keep folks nice and close to each other.

No Fiesta is complete without Latin music.

As the sun set, the Marina and Sheraton Hotel took on a warm glow.

After the fiesta, Stonehenge Consulting hosted a party at the nightclub Atlantis. Here's a lively conversation about the newest tattoo.

Eyes lit up at the Stonehenge party when everyone learned that the drinks were on the house.