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Flit, a mobile shopping app for the iPad, allows shoppers to comparison shop without the need for multiple browsers.  The app integrates thousands of commerce sites into one menu, allowing users to compare their favorite items across several different sites at once.

A group of computer security experts want to turn that model on its head with Wickr, a new mobile app that they hope will set a new standard for how personal data is disseminated. Wickr’s motto: The Internet is forever. Your private conversations don’t need to be. The app, which became available in Apple’s iTunes store on Tuesday, lets users transmit texts, photos and videos through secure and anonymous means previously reserved for the likes of the military and intelligence operatives. Text messages, photos and videos sent via Wickr are secured using military-grade encryption and never stored. The service camouflages user names and other identifiable information, such as a phone’s identification number, by appending several random digits to each value, then mashing them up with a mathematical algorithm, a process security experts refer to as “salting” and “hashing.” Wickr hashes and salts that information several times and only stores the encoded result.

Gilt Taste, the company’s food platform, is to release a free iPad-only app, also called Gilt Taste, on Wednesday. Its 140 recipes are presented straightforwardly — all text, one recipe step on each page, no videos — except for one game-changing feature. Using the iPad’s built-in camera, which tracks your hand movements, you can turn the pages of the recipe without touching the tablet. Lift your hand in front of the screen, brush it from right to left (as if turning the page of a book), and the screen flips to the next step. Wave your hand from left to right, and it goes back to the last step.