Good Binary Limited releases Do4Who 2.0, an update to their popular productivity app for iOS. Do4Who learns who is important to you and uses this to prioritise your work accordingly. It presents you with a list of people you need to deal with automatically prioritised in the order you need to deal with them. Version 2.0 includes an Apple Watch app and has also been extensively re-written to bring it up-to-date with the latest versions of iOS, and has also received a new look. Do4Who is $2.99 and can be downloaded from iTunes.