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You wouldn't do a proposal for one press release, but someone with qualifications and credibility for operating a such a campaign to do so consistently could get funded IMO.

Sure this was an example. It would need one for every news, guest post, interviews, info product design, sharing, and so on. Design campaigns + execution.

constant/regular communication with the dapps + core devs.

This could start from simple " share news" into complex marketing + onboarding campaign.

Real PR work.