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    "What ice cream should we order a big tub of?" 🍨https://bettervoting.com/r4xf8yThis poll uses plurality voting, and was supposed to demonstrate the "vote splitting" problem, where similar options (different chocolate flavors) reduce each other's chances of winning.
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    The "Bluetooth Headphone Jacking" talk at #39c3 was awesome, too. They reversed a popular SOC that powers Bluetooth earbuds and headphones.They found that (even without being paired to the headphone), they could dump flash and RAM from the device. Then they dumped a bunch of info from the device - e.g. the #Bluetooth address and "master" encryption keys used for the communication with paired devices (e.g. a #phone).Then they impersonated the headphone from their laptop and connected to the phone (pretending to be the headphone).The headphone (or the laptop impersonating the phone) has permissions to do some things on the phone, e.g. accept calls, increase/decrease volume, etc.Then they started recovering access a #WhatsApp account via some account recovery mechanisms. That required some one-time security key which would normally be delivered via SMS, but that could be delivered via phone call as a fallback option, too. Since the phone thought it was connected to the Bluetooth headphone, phone call audio would go to the laptop via Bluetooth.As the cherry on top, they escalated into the victim's #Amazon account.Scary shit. #YouCannotBeParanoidEnough #security
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    Federating knowledge: exploring ways to bridge wikis and notesJoin the workshop at #39C3! NEW DATE: Day 4, 13:40 @ Free Knowledge Habitat Workshop Area.Most people and organisations have their very own way of acquiring, organising, archiving, sharing, and collaborating on knowledge repositories. A broad spectrum of opinions and approaches resulted in a diverse and rich ecosystem of knowledge management solutions. Nevertheless, this also implies scattered and disconnected knowledge sources. What would it mean to build bridges among wikis and federate knowledge?This workshop is going to be heavily centred on a twofold discussion, exploring the challenge of federated knowledge starting from two questions.What does it mean to federate knowledge repositories?Instead of pursuing a silver-bullet solution to embrace all use-cases, what would it mean to foster and enable interoperability for different software?These questions stem from years of questioning and wondering how to integrate my personal note-taking and collective, participatory knowledge management at work, in organisations, institutions, and informal collectives. Recently, I began actively researching this topic as I started playing with the MediaWiki API to cross-synchronise my local Markdown notes and the XPUB wiki, the public learning wiki of the Experimental Publishing master. I am puzzled by taking advantage of the potential of a specific software (in this case, MediaWiki) while fearing of being locked-in.Some further, more specific, insights and questions:Local-first approaches and software (e.g. Reflection)Interesting experiments based on existing protocols, such as IbisWhat do we take of semi-open and obscure yet very cool initiatives like AnytypeThe power and the limits of plain-text: how to enable collaboration on simple Markdown files and build on top of it, as Obsidian doesCc: @modal @p2panda @obsidian @wikimediaDE @dweb#knowledge #FreeKnowledge #wiki #MediaWiki #API #Obsidian #Anytype #Ibis #IbisWiki #Reflection #CCC #Federation #federatedKnowledge #docs #PKM #knowledgeManagement #personalKnowledgeManagement #collectiveKnowledgeManagement #DWeb #decentralization #ActivityPub
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    2/2- - Would you like to offer something related to the Fediverse at #39c3🚀 ? We have set up an assembly for this purpose. Please feel free to get in touch with the contact person listed. 💻 We will also be offering our own sessions and meetings – more information coming soon! 🎪