Five years from now we're talking about things that will be in progress at that point. In a similar way five years from now i'll probably still be recording Luke's English podcast. We often use buy with future perfect to describe the type of work being done and how long it will last. Future continuous is like inception for grammar within first conditional structure if i'm still doing Luke's English Podcast then i will have been doing this for 15 years so in 10 years time if I'm still doingLuke'sEnglishPowell.com  then i will have completed my project by six o'clock friday.