• Minimum viable product (MVP): The simplest version of your product that actually solves the problem for real customers — so you can learn whether it works before investing a lot.

1. MVP = the simplest version that solves the problem.
2. Build → test → measure → learn → repeat.
3. Money is proof; compliments aren't.
4. Small doesn't mean skipping safety or rules.

1. 1. B. To learn from real customers quickly and cheaplyAn MVP tests whether you're solving the problem before you spend a lot of time and money.
2. 2. B. The two paying customersPaying is real commitment. Compliments cost nothing.
3. 3. TrueA form, spreadsheet, or doing the service by hand can test demand before building software.

1. 1. (b) — it tests real demand quickly and cheaply.
2. 2. Examples: number of pre-orders or paying customers, repeat purchases, or referrals.

Answers will vary. Look for reasoning that uses the lesson's key ideas:

• MVP = the simplest version that solves the problem.
• Build → test → measure → learn → repeat.
• Money is proof; compliments aren't.
• Small doesn't mean skipping safety or rules.