Concerning the publishing company part, I belong to a field really living at the forefront:

• We have the arxiv platform where our papers are submitted prior to ber submitted to the journals. It comes together with the inspirehep platform to query the database.
• All our main journals are open access (because the field pays for it... but still better than nothing IMO). See the scoap3 initiative.
• We have one open-access journal, JHEP that even pays referees a small fee (this is again better than nothing).
• We also have a fully free platform (that goes beyond particle physics), scipost that is entirely free and run online by physicists. Everything is public there (publications, referee reports, answers to the reports, etc...).

Initiatives like the last one should be more common, IMO.

For the rest of the post, I am always amazed to see how many people buy that stuff... :(