Now more than halfway through the Linux Foundation's Collaboration Summit in San Francisco, attendees have started to weigh in on the best sessions and experiences so far. Some cited Monday's keynote presentations  from heavy hitters such as Samsung and Jaguar Land Rover. Others focused on the technical discussions in Tuesday's sessions, which covered a range of topics from Automotive Grade Linux to kernel scheduler load balancing. And for some, simply meeting the developers on the other side of an email list provided the best experience at the conference. Here, five Linux community members tell us their conference highlights so far. (See their abbreviated answers in video on Tout .)
"It's been great learning about the open source projects, in particular Jaguar and Samsung and the collaboration they're looking for and that we can offer.
"Whether you work for a different company or not, it seems like you can really participate. I'm looking forward to some of the other technical presentations where I can learn about Linux and how it's changing." - Carol Sanders, Vyatta.
"The subjects are great, but what's even greater is getting to meet people and have discussions with people on the other side of engineering from different companies. I got to meet people I've been working with for several years but I've never met with them.
"Even some of the presentations we had that weren't direclty related to what our company does triggered a lot of good ideas that I can bring back to the company and gave me some ideas for changes.
For cloud computing we talked about what's missing and what can be done and especially from a storage perspective. We know we're doing a lot on our end that's really good but there are parts of the Linux kernel that need to be added as well." - Abdel Sadek, NetApp.
"I was particularly interested in the Linux weather forecast by Jon Corbet yesterday. It presented some challenges that we're going to face this coming year. Some of which I wasn't aware, particularly in the new architectures with big.LITTLE and how that will imply changes in course scheduling code. Me working in performance issues, I find that attractive and challenging.
"I've been impressed with the keynotes and event organization as well. I hope tomorrow will be just as good." - Davidlohr Bueso, Hewlett-Packard.
"Today I attended ACPI 5.0 improvements, which is really interesting. I've been kind of watching the Linux mailing lists on Linux LKML. It gave me insight into balance bewtween ARM and ACPI and how we can use the same infrastructure to transparently implement.
"Also, being able to add GPIO interrupts and such, and see where I can contribute, possibly. The second one I heard about was power scheduling which was very insightful. There are a lot of questions to be answered in terms of getting it to primetime.
"And the big thing I'm getting out of this conference is being able to put faces to email addresses." - Shuah Khan, Samsung.
"Yesterday the best speaker was Jon Corbet. I really liked his presentation because it went over the challenges we had with Linux and the latest developments. It's interesting to see what's really going on in the community.
I'm talking today about cloud and the hypervisor solutions. (So) that was really interesting to hear about what's happening with the scheduler and with the core, in general." - Iisko Lappalainen, MontaVista Software.