09:00Jenny Kendall-TobiasOnline Reviews for Guernsey BusinessesBBC Radio Guernsey Duration: 4 hours Thu 19th Sep 2019, 09:00 on BBC Radio GuernseyIf you run a business and it's praised online, it can be powerful free advertising. However, if someone posts negative comments, what effect does that have?GenresEntertainmentBrandJenny Kendall-Tobias Source: BBC Online