00:00 In this imaginative Guppy Tank episode from Planet Money podcast, graduating business school students pitch ideas to emulate Shark Tank's success but aim for noble outcomes rather than cash.

04:31 A business school student pitches a book club service where subscribers receive monthly books recommended by their favorite authors, addressing customer engagement and exclusivity.

08:03 A student pitches a book club service where subscribers receive monthly books by favorite authors. Authors get royalties from sales made under their names and potentially new releases as replacements in the list. The entrepreneur estimates there are five million potential paying readers based on Audible customer data.

11:48 A student entrepreneur pitches an on-demand local tour guide service, emphasizing authenticity and affordability amidst competition from established yet impersonal commercial tours.

15:29 A student entrepreneur pitches an on-demand local tour guide service, focusing on authenticity amidst competition from established tours.

19:35 A listener with a guppy tank shares her business launch; an entrepreneur discusses crowdfunding travel gear ideas, while another reveals creating Familial to simplify end-of-life planning.

23:32 A guppy business launch podcast episode discusses strategies for reaching potential customers through financial advisors and targeted marketing.

27:32 A guppy business podcast episode humorously explores a Viking ship service offering fireworks as a unique way to commemorate funerals.

31:26 A guppy podcast episode humorously explores a Viking ship service offering fireworks as a unique way to commemorate funerals, engaging listeners with its quirky business idea.