Rumours are now a reality: Twitter has released their first commerce product. Following the hiring of former Ticketmaster CEO, Nathan Hubbard, mock-ups of a "Buy Now" button have been leaked all over the Internet; today rumours become reality. The official launch announcement from Twitter reads: "Today we are beginning to test a new way for you to discover and buy … [Read more...] about Twitter Goes Commercial With New “Buy” Button on Mobile