Since the advent of weekly shows such as the WWF's "Monday Night Raw" and WCW's "Monday Nitro"—where matches and storylines play out as they happen in front of a live audience—and the gradual increase in the frequency of pay-per-view programs during the 1990s, angles are now typically developed during television series for resolution during a pay-per-view event (or, on occasion, a special episode of the series). WWE does use live events, called "WWE Live" (or for NXT, "NXT Live"), to promote its flagship pay-per-view WrestleMania, typically branding a tour in the early months of the year as part of the "Road to WrestleMania".