Product Strategy · JTBD Analysis

Ai se tra $99 cho
Memory Palace — va vi sao?

8 personas thuc te voi workflow cu the, khong phai feature list. Tra loi cau hoi goc cua marketing: "User cua toi la ai va ho thue app nay lam viec gi trong cuoc song?"

Ngay: 2026-05-01 Framework: Jobs-To-Be-Done Muc dich: Marketing input

01Ban chat san pham — phat bieu lai

Memory Palace KHONG phai
  • Mot note app (Obsidian, Notion da lam)
  • Mot AI chatbot (ChatGPT, Claude da lam)
  • Mot file converter (Pandoc, Markitdown da lam)
  • Mot RAG system (LangChain, LlamaIndex da lam)
Memory Palace LA

Mot day chuyen san xuat tri thuc ca nhan tu dong: drop tai lieu tho, AI bien dich thanh wiki co cau truc, link noi bo, co Q&A — chay 100% tren may ban, output la Markdown chuan Obsidian.

Cot loi khong phai "luu tru" ma la transform: tu chaos (file PDF/video/article rai rac) thanh order (wiki co concept atomic, co MOC, co timeline, co cross-link).

02Three Core Jobs

Ba "viec" ma user thue Memory Palace lam. Tat ca copy marketing nen xoay quanh 3 jobs nay, khong quanh feature list.

JOB 1

Help me remember what I've read

Khi toi doc xong 1 paper/article/video, toi muon luu lai insight cot loi voi lien ket den nhung gi toi da doc truoc do, de co the tim lai + xay dung kien thuc tich luy thay vi doc roi quen.

Context kich hoat:Vua doc xong, brain con nong, so quen trong 24h.
User hien lam gi:Highlight Kindle, quen; copy-paste vao Notion, muc luc roi; viet note tay, lac.
MP giai quyet:Drop PDF, AI tu doc, tao concept atomic file + summary + link den cac concept hien co trong wiki.
JOB 2

Help me synthesize across sources

Khi toi can hieu sau mot topic ma toi da doc 10+ nguon roi rac, toi muon thay cac luan diem trung/mau thuan duoc noi ket tu dong, de co the form opinion co evidence thay vi cam tinh.

Context kich hoat:Sap viet bai / present / quyet dinh lon.
User hien lam gi:Mo 10 tab, ctrl-F, scroll up xuong, mat 2-3 gio.
MP giai quyet:query: <cau hoi> hoac debate: <cau hoi> → AI navigate qua wiki, tra loi co citation [[concept]] click duoc.
JOB 3

Help me produce output from what I know

Khi toi can tao report / slide / bai viet, toi muon AI dung kho tri thuc cua TOI (khong phai training data chung), de co the san pham phan anh dung goc nhin + nguon cua toi.

Context kich hoat:Deadline, can ship.
User hien lam gi:Mo ChatGPT, copy-paste context manually, fight hallucination.
MP giai quyet:report: / slides: / ppt: — AI generate tu wiki cua user, file-back loop ghi lai insight moi vao wiki.

038 Personas + User Stories

Moi persona co mot workflow ngay binh thuong + ly do tra tien cu the. Day la input goc cho landing page va demo video.

S
P1 · Researcher

Sarah, 27 — PhD nam 3 nganh Cognitive Science

Doc 8-12 paper/tuan, viet literature review, thesis sap toi.

"Khi toi doc 1 paper moi, toi muon no tu dong duoc link voi 50+ paper toi da doc truoc, de khi viet literature review toi khong phai mo Zotero ngoi doc lai tung cai."

Workflow ngay binh thuong
  1. Sang: Drop 3 PDF tu arXiv vao raw/papers/
  2. Trua: Memory Palace compile khi dang an (~5 phut moi paper)
  3. Chieu: Mo Obsidian, graph view, thay paper moi da link voi [[Predictive Coding]], [[Free Energy Principle]]
  4. Cuoi tuan: report: predictive coding hierarchy in vision → co draft 5 trang de review voi supervisor
Tai sao tra $99: Tiet kiem 10-15h/tuan. Lifetime $99 re hon 2 thang dung Cursor Pro.
M
P2 · Strategy Consultant

Minh, 31 — McKinsey alumni, freelance consultant

Moi project doc 30-50 industry report, charge $30K cho 1 de bai.

"Khi client tra toi $30K cho 1 de bai, toi khong co thoi gian re-read PwC report cu toi da doc 3 nam truoc. Toi can mot bo nho ngoai co the chat duoc."

Workflow
  1. Bat dau project: Drop toan bo industry report client gui (PDF, PPTX, Excel) vao raw/<project-name>/
  2. Tao vault rieng cho client (Memory Palace ho tro multi-vault)
  3. Compile qua dem
  4. Ca tuan: chat voi wiki — "5 diem khac biet giua go-to-market cua competitor A va B?"
  5. Output: slides: → dem present client
Tai sao tra $99 + Studio (TBD): Privacy quan trong (client data NDA — local-first la USP). Khong the upload len ChatGPT. Studio (TBD) cho phep cai 5 may = 5 project song song.
A
P3 · Content Creator

An, 29 — Newsletter VN ve tech, 4000 subscribers

Moi tuan 1 issue, doc 50+ article/tuan de chat loc.

"Toi doc 50+ article/tuan de chat loc 1 newsletter. Toi can 'workshop' noi moi nguon duoc organize san, de khi viet toi chi can lap ghep."

Workflow
  1. Suot tuan: Save Obsidian Web Clipper bai hay vao raw/articles/
  2. Watcher tu compile background
  3. Thu 6: query: top 3 takeaways tu tuan nay ve AI agents → co outline
  4. Viet newsletter dung wiki lam authoritative source
  5. Sau publish: file-back: outputs/newsletter-2026-W18.md → wiki hoc insight moi
Tai sao tra $99: Output quality + sourcing day du → trust voi subscriber. Lifetime $99 replace Readwise ($120/nam).
T
P4 · Solo Founder

Tuan, 33 — SaaS B2B founder, vua pivot lan 3

Da doc 200 bai ve pricing, churn, GTM. Moi quyet dinh lon lai quen het.

"Toi da doc 200 bai ve pricing strategy, churn, GTM. Moi lan ra quyet dinh lon toi quen het. Toi can mot 'mentor ao' da doc tat ca nhung gi toi da doc."

Workflow
  1. Vault founder-knowledge/ chua: Paul Graham essays, YC podcast transcripts, Lenny's newsletter, customer interview notes
  2. Truoc moi quyet dinh: debate: should I raise prices 2x? → AI argue 2 phia dung wiki cua user
  3. Customer interview tuan nay → drop transcript → wiki tu update voi pattern recognition
Tai sao tra $99: "Mentor ao" ca nhan hoa 24/7. Khong lo business secret. Lifetime $99
H
P5 · Lawyer · VN

Luat su Hang, 36 — Van phong luat doanh nghiep

Tu van M&A, lao dong, so huu tri tue. Privacy la tuyet doi.

"Khi tu van 1 vu M&A, toi can check lai cac ban an, thong tu, y kien chuyen gia toi da doc. Toi khong the upload ban an co thong tin client len cloud AI."

Workflow
  1. Vault legal-research/ voi sub-folder theo linh vuc (M&A, lao dong, IP)
  2. Moi vu moi → drop van ban phap luat + ban an lien quan → compile
  3. query: dieu kien chuyen nhuong von doanh nghiep FDI → tra loi co citation Luat Dau Tu + nghi dinh cu the
  4. Generate memo cho client tu wiki → review → file-back
Tai sao tra $99 + Studio: Privacy la tuyet doi. Studio (TBD) phu hop mindset "cong cu nghe". San sang tra gap doi neu co template legal-specific.
L
P6 · Lecturer

Co Lan, 42 — Giang vien dai hoc mon Marketing

Day cung mon 8 nam, moi nam cap nhat slide voi case moi.

"Toi day cung mon 8 nam roi. Moi nam cap nhat slide, toi doc lai sach + case moi. Toi can wiki day mon cua toi, link voi case study cu the."

Workflow
  1. Vault marketing-teaching/ voi concepts nhu [[positioning]], [[STP]], [[customer-journey]]
  2. Doc case Harvard moi → drop → compile → tu link voi concept ly thuyet
  3. Dau ky: slides: Marketing 101 chuong 3 - segmentation → co deck cap nhat voi case moi nhat
  4. Sinh vien hoi cau kho → mo wiki tra → tra loi co nguon
Tai sao tra $99: Lifetime $99 la decision de voi luong giang vien. Tich luy 5-10 nam = khong tool nao replicate duoc.
K
P7 · Student · VN

Khoi, 22 — Sinh vien Y khoa nam cuoi

30 GB tai lieu PDF + slide bai giang + sach giao khoa, on thi tot nghiep.

"Toi co 30 GB tai lieu PDF + slide bai giang + sach giao khoa. Toi can hoi dap voi chinh noi dung toi hoc, khong phai Wikipedia."

Workflow
  1. Drop toan bo slide bai giang + sach (~500 file)
  2. Compile 2-3 ngay background
  3. On thi: chat voi wiki bang tieng Viet — "Phan biet nhoi mau co tim ST chen va khong chen?"
  4. Tra loi co citation den dung slide bai giang → di nguoc ve nguon de hoc sau
Tai sao tra $99: Fear of failing → willingness-to-pay cao. Nhung segment nay nhay cam gia — can Student $19 voi verification.
H
P8 · Lifelong Learner

Bac Hung, 55 — Doanh nhan ve huu

Doc 40 cuon sach/nam tren Kindle. Triet hoc + lich su tham sau.

"Toi doc 40 cuon sach/nam tren Kindle. Highlight nhieu nhung review lai thi luoi. Toi muon 'thu vien ca nhan biet noi chuyen'."

Workflow
  1. Export Kindle highlights → raw/books/<title>.md
  2. Compile → wiki voi concept nhu [[stoicism]], [[heuristics]], [[byzantine-empire]]
  3. Luc ranh: debate: free will co that khong? → doc cac luan diem AI trich tu chinh sach cua minh
  4. Moi nam: report: tong ket sach 2026 → tu xuat ban blog ca nhan
Tai sao tra $99: Doi tuong co tien, de cao "cong cu tri thuc". Lifetime $99 — Memory Palace la "thu vien Alexandria ca nhan", emotional appeal manh.

04Anti-personas — KHONG nen target

Biet ai khong phai khach hang quan trong khong kem biet ai la khach hang. Tranh waste effort vao segment sai.

Casual user

Duoi 5 file/thang — gia tri khong justify $99.

Team tren 5 nguoi collaborate realtime

Memory Palace la single-user tool, khong co sync.

Nguoi khong thoai mai voi Markdown

Output la Markdown — friction nho nhung co.

Khong co / khong muon API key

BYOK friction la blocker — can Trial Credits proxy giai.

Mobile-first user

Desktop-only, khong co iOS/Android.

Realtime collaboration

Single-user, khong phai Notion/Google Docs.

05Use Case Matrix theo Vertical

Ban do giup uu tien kenh marketing va pricing tier.

Vertical Use case dominant Pricing tier Volume tiem nang
AcademiaLiterature review, thesis writingLifetime $99 Student $19Lon nhung gia thap
ConsultingProject knowledge siloStudio (TBD)Nho nhung gia cao
Content/NewsletterSource aggregationLifetime $99Trung binh
Solo FounderStrategic decision supportLifetime $99Nho
Legal (VN)Van ban phap luat + ban anStudio (TBD)Nho, sticky cao
EducationCourse material accumulationLifetime $99Trung binh
Student exam prepQ&A voi tai lieu hocStudent $19Lon neu co discount
Hobbyist readerPersonal library + Q&ALifetime $99TB, willingness cao

06Insights cho Marketing & Positioning

Output truc tiep dung duoc cho landing page, demo video, ad copy.

Tagline candidates (test A/B)

"Your AI-powered second brain. Local. Private. Yours forever."

Privacy angle — tot cho legal/medical segment.

"Stop reading and forgetting. Start compounding what you know."

Emotional pain — phu hop voi P3 (newsletter) va P8 (lifelong learner).

Hero demo video 90 giay — script

0–5s"You read 50 articles a week. You remember 3."
5–15sScreen: drag 3 PDFs vao Memory Palace window
15–30sTime-lapse: progress bar compile, wiki appears in Obsidian
30–50sType "Ctrl+K" → search → click result → doc concept voi links
50–70sMo chat → hoi cau cross-source → answer voi citation chips
70–85sClick "Generate report" → markdown output xuat hien
85–90s"$99 once. Local. Private. Yours forever."

Landing page sections (theo persona uu tien)

  1. Hero + demo video
  2. 3 core jobs (Remember / Synthesize / Produce) — khong phai feature list
  3. Use cases ngang — 4 personas (Researcher / Consultant / Creator / Lifelong learner) voi screenshot workflow
  4. Privacy & Local-first section (dac biet cho VN legal/medical)
  5. Obsidian-native angle (cho Obsidian crowd existing)
  6. Pricing 3-tier
  7. FAQ (BYOK, system requirements, refund)

Feature priorities tai-ra soat

PriorityFeatureVi sao
HIGHTrial Credits proxyMo Job 1 cho mass market
HIGHVertical templates (Legal VN, Academic, Consulting)Ban duoc Studio License TBD
MEDBetter citation/source UX trong chatJob 2 — synthesis la core value
MEDOutput quality cho report: va slides:Job 3 — output la moment of truth
LOWRealtime sync, mobile, collabAnti-persona, khong phai core JTBD

07Cau hoi chien luoc con mo

1. Co nen build vertical templates khong?

Legal VN template + Academic template co the justify Studio (TBD). Effort: 1-2 tuan moi template.

2. Student tier $19 co dang khong?

Volume lon nhung support cost cao + dilute brand "professional tool". Khuyen nghi: defer 6 thang, target professional truoc.

3. Co nen tich hop Kindle/Readwise import?

Mo persona P8 (lifelong reader) — segment co tien + emotional buy-in cao.

4. Multi-language wiki?

Hien tai wiki co the la tieng Viet. Co nen tu detect ngon ngu source va chon output language?

08Action items ket luan

1. Marketing copy dua tren Job 1/2/3 thay vi feature list. Update landing page draft theo template tren.

2. Demo video uu tien persona P1 (Researcher) — cau chuyen de hieu nhat + universal.

3. Soft launch beta target 20 user cua 4 personas: Researcher, Consultant, Content Creator, Lifelong Learner — do conversion + feedback.

4. Vertical template Legal VN dang lam Phase 10+ — sticky cao, willingness-to-pay TBD de.

5. KHONG build feature moi ngoai 3 core jobs cho den khi co 100 paying users — feature creep la ke thu.