By ILINA GHOSH Staff Reporter When Beyoncé released her latest album, Lemonade, exclusively on the music streaming service Tidal, new user sign-ups rose by 1.2 million. But since then, the service’s popularity has once again waned. The same effect can be applied to modern journalism, says Alex Watson, The Telegraph’s former head of product. Events like elections and terrorist attacks can draw audiences to news sources, but they result in short bursts of engagement. Whereas significant, yet small, improvements in the interfaces and delivery systems of news organizations can result in long-term, generalized effects, says Watson, who recently took on a…