Synchronising data from machine to machine and onto your own servers or cloud providers like Ubuntu One is a very useful idea. The Ubuntu One team have started work on u1db, a project codename for an easy-to-use database API layer which can work on any platform (Ubuntu, web servers, Windows, smartphone platforms) with the existing native databases (SQLite, MySQL, API layers, everything). Here we'll present the current ideas around u1db and how it will be used.