This week we explore the history of the hashtag, from pound sign to hyper-linkable marketing tool. Asking how the hashtag started, when the pound key became a hashtag and what is the impact of hashtags?

Guests in this week's show include:

Chris Messina - Invented the hashtag

Stowe Boyd - Coined the hashtag term

Lewis Wiltshire - Twitter senior executive

David Matley - Academic at University of Zurich

Rachelle Vessey - Applied Linguistics at Newcastle University

Errol Jayawardene - Red Lorry Yellow Lorry Public Relations

Find us on Twitter & Instagram on @Internet_Pod

Email the show [email protected]

Send gifs to presenter @Jamie_Wareham

Season 1 is supported by www.thememo.com - editorial, making the future more human.