Corona's software includes an embedded Java operating system and a new variant of the old X-Windows software, which allowed for the creation of hardware-independent graphical user interfaces much like those of Windows or the Macintosh operating system.
It'd be easier if each user could accept an invitation independent of the others -- which is what Samsung allows users to do in another feature called Group Cast.
Finally, independent databases like MunicipalBonds.com aim to create a more user-friendly searching experience, though you may have to pay for some features.
Despite a settlement last year with the Federal Trade Commission in which the company agreed to independent privacy audits for 20 years, privacy advocates worry about the vast trove of user data it owns.
Last year independent hacker Moxie Marlinspike created a tool call SSLstrip to invisibly remove the SSL protections on secure sites when a user click through from an insecure site.