A Washington, D.C.-based startup, Uppidy, which lets you securely back up your SMS, photos and videos to the cloud, has been acquired by Gryphn, now called ArmorText, the makers of a secure messaging
<a href="https://techcrunch.com/2012/12/26/inside-snapchat-the-little-photo-sharing-app-that-launched-a-sexting-scare/">Snapchat</a> and Facebook Poke have clearly validated the demand for ephemeral m