The iOS Developers logo is to be used strictly within relation to the iOS Developers community and is a representation of this community only.
If you are working on an open source project by iOS Developers, then you allowed to use this logo by means of marketing that open source project i.e. writing about the project on a personal blog or adding the logo to your website.
If you decide to use this logo in a way that isn't mentioned here, then please get in touch.
The logo was designed by Steve Dixon based on common iconography that represents networking.
The logo recently changed color to represent the community's believe and utmost support in gender and race equality.