Scrum Development is the modern day need for development teams that increases productivity, agility and creates synergy within the team. The holistic approach is dependent on nothing and kept alive by frequent deliverables accompanied by the ability of the team. The basic idea is to allow customers to have the control and change requirements and features of the application anytime.
Scrum-master leads the team of 4-5 members and progress are constantly being watched every 24 hours. This keeps the synergy intact and improves the productivity of the team so that the product is delivered within the deadline.
Helius Systems prefers the scrum development for the current web 2.0 apps as the current market is competitive. Delayed launch can lead to loss of opportunity for the business and that's why Scrum development is the best option for tight deadlines.