Using Signal groups for activism
"Things are heating up. Millions of people are taking to the streets against Trump's rising authoritarianism. Communities around the US are organizing to defend against ICE raids, to protest Israeli genocide, for mutual aid, and for other forms of fighting fascism. Signal can help people safely organize in all of these contexts. Signal groups, in particular, are more powerful than you might be aware of, even if you already use them all the time. In the linked post you'll see how."
Of course, activism is also about a much wider range of topics than the above, and many have been running for decades. Apart from activism in 1st Word Countries, there is also activism in many 3rd World Countries, which in many cases are really life and death situations if users are caught.
Signal is not THE most private network around. There are many others like Threema (not public link group invites though) and SimpleX (really open group invites with custom names per group) that enable far more anonymity. In other words, they don't require any form of registration or a mobile number to work, meaning there is even less to link back to any individual user.
But this is why I wanted to make this post. It often comes back to many people wanting to find their friends on their chat app. Yes, finding friends makes communicating easier, but that in itself does leak metadata. The reason I only have two or three contacts on Threema and SimpleX are that it is way more difficult to build out your network. This is where Signal does strike an excellent middle path - it is simpler to use and find friends, whilst also going as far as it can to guard your privacy.
It has some good group options (including an announcements only group) and most importantly where it differs from WhatsApp and Telegram, are that it's metadata cannot be accessed by Signal (WhatsApp goes as far as actively sharing users metadata with advertisers and partners, which is why WhatsApp has so many businesses on board).
Telegram may handle far bigger numbers for its groups, but the problem is users do need to set up their privacy settings very carefully, and their metadata is at the risk of being subpoenaed now, and of course Telegram's encryption is proprietary. Signal's groups are limited to 1,000 users, and another issue may be that there is one profile across all groups (unlike SimpleX where you choose a name for each group you belong to, but it does not scale well to large groups at all).
Signal does hit a sweet spot though and should really be adopted by a lot more mainstream users. Signal's user privacy is way ahead of both WhatsApp and Telegram, yet it is just as easy and intuitive to use.
But, as I mentioned above Signal is not perfect. To summarise those shortcomings, they are:
1. Even announcement-only groups are limited to 1,000 users (Telegram has 200,000 for normal groups and unlimited users for broadcast groups).
2. A phone number is required to register the account initially (SimpleX and Threema do not require anything).
3. The profile your friends see is the same profile seen in a group (SimpleX allows different names) so select your profile name with this in mind, although the phone number is hidden by default.
See
https://micahflee.com/using-signal-groups-for-activism#
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