Persona	Core pain	What 9Zoom gives them	"Aha" moment
The Teacher — teacher, small center	Expensive platforms, stitched tools, English-only UIs	9Class: quiz, whiteboard, documents, attendance, recording	A fully interactive class, session saved, no per-student fees
The Seller — livestream seller	Marketplace/algorithm dependency, no customer ownership	9Shop: products, pinned deals, chat — a channel they control	Selling live in "their own store", customer data is theirs
The Worker — team, micro-business	Multiple subscriptions for meet + docs + tasks	9Meet/9Work: meetings, durable notes, tasks, summaries	Everything about a project in one Room
The Server — consultant, coach	No professional 1-on-1 tooling at a fair price	9Support: case info, notes, follow-up	A private consulting room with a compounding case file
The Connector — community/event organizer	Dependent on commercial platforms	9Stage/9Community/9World: stage, Q&A, multi-room	Events owned by the community itself

Diagram

Pick a room — choose a room type as the starting point.
Customize — attach/detach modules, set roles/permissions, configure.
Invite people — share a link, control who gets in (open room / waiting room).
Go live — real media, interaction through modules.
Grow it — recordings, summaries, analytics; the Room compounds value over time.

Instantly usable — minimal friction (e.g. "Meet now": one tap to enter; anyone with the link can join).
Local language, plain wording — every market gets its own natural language, no mechanical jargon.
Mobile as good as desktop — optimized for phones (the live room UI has a dedicated small-screen layout).
Honest with users — no fake buttons, no invented numbers; what is still being built is labeled as such.
Accessible (a11y) — large touch targets, compliant contrast, large-text support, respects reduced-motion settings.

Value	Concretely
Cost savings	One platform instead of many subscriptions; no per-minute fees
Effort savings	One way of working for many purposes
Ownership of data & relationships	The data stays with them, not scattered across vendors
Professionalization	High-quality tools within reach