Hier à Tokyo, l'Union européenne et 22 de ses États Membres, dont la France, ont officiellement signé ACTA , l'accord commercial anti-contrefaçon. Le mouvement citoyen mondial contre les lois américaines anti-partage SOPA et PIPA doit désormais vaincre leur équivalent global ACTA auprès du Parlement européen. [via Dominique Keller+]

Signez la pétition pour protester.

Also known as Flash-SMS, the Silent SMS uses an invisible return signal, or “ping”. Developers from the Silent Services company, who created some of the first software for sending this type of SMS, explain:

The Silent SMS allows the user to send a message to another mobile without the knowledge of the recipient mobile’s owner. The message is rejected by the recipient mobile, and leaves no trace. In return, the sender gets a message from a mobile operator confirming that the Silent SMS has been received.

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Previously: - Silent SMS track terrorists

President Obama's recent impromptu a cappella performance of Al Green's hit "Let's Stay Together" at a fundraiser at the Apollo Theater in New York last week is now available as a ringtone on his official website: President Obama was inspired to sing a bit of Al Green during a recent campaign stop at the Apollo Theater. And now you can have his rendition of "Let's Stay Together" as a ringtone.

[via Rolling Stone]

ObscuraCam, which is currently only built for Android, allows users to post videos online with pixilated faces to protect their identities. It can also delete potentially incriminating metadata attached to the video.

InformaCam, a plug-in to ObscuraCam. For the sake of posterity, the app allows the user to add context; for instance, whether or not the subject of the video gave their permission to be filmed. It can also provide information about the creator's intent, how the media was acquired, and "if a particular image or video is a duplicate of another." InformaCam also allows the user to send the image or video to "trusted destinations," which could be "an organization, a news outlet, or any friend whose PGP key is known to you."

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Related: apps for activists and related articles:

-- Activist app Protest4 gained 50,000 users in 17 days

-- Inhuman Microphone app lets protesters spread the word

-- Wall Street Protests Use Go App to Coordinate Anonymously

-- Occupy Wall Street inspires the 'I'm getting arrested' app

-- Wall Street protesters use social media app Vibe to communicate anonymously

-- Twitter buys Whisper Systems Which Creates Privacy Tools for Activists

[via TorrentFreak]