AI for Life

Lesson 4

Use Chat for Everyday Thinking and Writing

You can use Chat for the everyday jobs that fill a week: draft a message or note from scratch, summarize something long, think through a decision, and rewrite text so it sounds like you, all in plain conversation.

Most of what people actually need help with is small and constant: an email to write, a page to shorten, a choice to make. Chat handles those in seconds, and it is the free, on-any-device tool you will reach for most.

~20 min Everything in this lesson works on a free Claude account, in Chat, on a computer or a phone. You only type or paste text, so no paid plan is needed, and no Cowork or Code. See content/capabilities.yaml (chat, mobile-apps).
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Phase 1: Write It Well, Fast

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On a phone
Good news: you can do this whole lesson on a phone. Everything here happens in Chat, which is on the free plan and on the mobile app (see content/capabilities.yaml: chat, mobile-apps). You only type or paste text, never a file. In the Claude app the message box is at the bottom, and where a step says "press Enter," you tap the send button instead.

Draft It From Nothing

Tool: Chat ~3 min
The blank page is the hard part, and Claude erases it. Instead of staring at an empty email, describe what you need in one line and let Claude write the first draft. Open Claude (you start in Chat, which is free), copy this, and send it (press Enter, or tap the send button on a phone):
Prompt: copy and paste into Chat 
Write a warm, 4-sentence thank-you email to a coworker who covered my shift last week. Keep it genuine and not over the top.
You went from nothing to a usable draft in one message. It will not be perfect, and it does not need to be: a good first draft is something to react to. You will fix and shape it in the next steps.
Note
This works for almost anything made of words: an email, a text, a caption, a note to a teacher, a birthday message. Say what it is and who it is for, and let Claude start it.

Fix the Tone

Tool: Chat ~2 min
Sometimes you already have the words, they just come out wrong: too blunt when you are frustrated, too stiff when you want to be warm. Hand Claude the rough version and tell it the tone you want. Try this one:
Prompt: copy and paste into Chat 
Rewrite this message to sound calm, clear, and polite, and keep it short: "this is the third time the order is wrong, can someone actually fix it this time".
Same meaning, better delivery. Tone words that work well: "warmer," "more professional," "friendlier," "more direct," "less formal," "firm but polite." When a message matters, draft it however it comes out, then ask Claude to set the tone.
Note
This is a quiet superpower for hard messages. Write the honest, messy version first (you never have to send it), then let Claude turn it into something you would be glad to send.

Make It Sound Like You

Tool: Chat ~4 min
A common worry is that Claude will make everything sound like a robot. The fix is simple: show it how you write, and it matches your voice. First, watch it work with a sample voice. Run this:
Prompt: copy and paste into Chat 
Here are two things I've written, so you can hear my voice: "Hey! Quick one, still good for Thursday? No stress if not." and "Loved the draft, thank you. The one thing I'd tweak is the title." Using that same casual, friendly voice, write a short message inviting a friend to grab coffee this weekend.
Notice it did not sound generic. It borrowed your rhythm from the samples. Now do it with your real voice. First, read the safety note below.
Safety first

Before you paste your own writing

Anything you type into Chat is sent to Claude so it can help you (it does not go to anyone else, but it does leave your device). So paste writing samples that are fine to share, and leave out anything sensitive: passwords, full account or card numbers, and other people's private details. A few of your everyday texts or emails are all Claude needs to catch your voice.
Prompt: fill in the brackets, then paste into Chat 
Here is a sample of how I write, so you can match my voice: [PASTE 2 OR 3 SHORT THINGS YOU'VE WRITTEN, LIKE TEXTS OR EMAILS]. Using that same voice, write this for me: [WHAT YOU NEED, FOR EXAMPLE "a message telling my team I'll be out Friday"].

Replace both bracketed parts with your real samples and your real task before you send it.

Note
Save a couple of writing samples you like somewhere handy. Paste them in any time you want something to sound like you, and Claude will keep matching your voice instead of inventing a new one.

Shrink It to the Gist

Tool: Chat ~3 min
The other half of everyday writing is reading less of it. Paste a long email, a wall of notes, or a message thread, and ask Claude for the gist. Try it on this sample first:
Prompt: copy and paste into Chat 
Summarize this in 3 short bullet points, then tell me the single most important thing I need to do.

The building manager emailed about the lobby renovation. Work starts the first Monday of next month and lasts about three weeks. The front entrance will be closed, so everyone should use the side door on Oak Street. Packages will be held at the second-floor front desk during construction. Residents with questions can reply to the manager or call the office before Friday.
You turned a paragraph you would have to read carefully into three bullets and one action. Now try it with your own long text (the same privacy rule from the last step still applies, so leave out anything sensitive):
Prompt: paste your own long text where shown, then send 
Summarize the text below in 5 bullet points or fewer, then list anything with a date or a deadline I should not miss.

[PASTE THE LONG EMAIL, MESSAGE THREAD, OR NOTES YOU WANT SHORTENED]
Note
Because you are pasting the words in, this works the same on your phone or a computer. When you would rather hand Claude a whole file instead of pasting, the files lesson shows you how to do that on a computer.

Phase 2: Think It Through

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Weigh a Decision

Tool: Chat ~3 min
Claude is not only for writing. It is a patient thinking partner for the small decisions that pile up. Lay out the choice and let it help you see it clearly. Run this:
Prompt: copy and paste into Chat 
Help me decide. I'm choosing between two weekend plans: a quiet day at home to rest and catch up on chores, or a two-hour drive to visit family I haven't seen in a while. I'm worn out from a busy week, but I feel a little guilty about not visiting. Lay out the trade-offs simply, ask me one question if it would help, then give me your honest recommendation.
See how it separated the trade-offs instead of just picking? That is the value: it helps you think, and it will still commit to a recommendation when you ask for one. You stay the decider.
Note
It works for real choices too: which of two jobs to take, how to reply to a tricky email, whether to fix something or replace it. Give it the options and what matters to you, and ask for the trade-offs plus a recommendation.

Think Out Loud

Tool: Chat ~2 min
When something feels stuck or too big, talk it through with Claude the way you would with a level-headed friend. Describe where you are and ask for a small, realistic plan. Try this:
Prompt: copy and paste into Chat 
I want to start reading more books this year, but I keep not doing it. Think it through with me: what usually gets in the way, and what's a simple, realistic plan to actually read a few pages most days? Give me 3 to 5 small steps I can start this week.
You got an untangled problem and a short plan, not a lecture. Keep the conversation going: tell it what feels doable and what does not, and it will adjust. Thinking out loud with Claude is often how a vague worry turns into a clear next step.
If the answer feels off
  • It gave a generic, one-size-fits-all answer. Add your specifics: your situation, what you've already tried, what matters to you.
  • It made the decision for you when you wanted options. Ask for it plainly: "lay out the trade-offs first, then recommend."
  • The summary missed the part you cared about. Tell it what to focus on: "pull out anything about dates, money, or next steps."
  • The writing still does not sound like you. Paste one or two more of your own samples and say "match this voice."
Note
One honest caution: Claude can sound sure and still be wrong, and it may not know very recent news. For anything that matters (a fact, a name, a number, a date, or medical, legal, or money specifics), check it before you rely on it. It is a thinking partner, not the last word.

Your Everyday Helper (Capstone)

Tool: Chat ~3 min
Put it to work on something real from your own day. Pick one thing you actually need: a message to write, something long to shorten, or a decision to weigh. Then fill in this template and send it:
Prompt: fill in the brackets, then paste into Chat 
[WHAT YOU WANT: draft it, summarize it, or help me decide, for example "help me decide whether to..."]

Context: [ANYTHING THAT MATTERS: who it's for, what you're working with, how you're feeling about it]
How I'd like the answer: [SHORT OR DETAILED, A LIST OR A FEW SENTENCES, OPTIONS OR A RECOMMENDATION]
Read what came back, then keep going in the same conversation: "make it shorter," "warmer," "what am I missing?" A minute of back and forth is usually all it takes to get something you are happy with.
Note

What Chat is not for (and what comes next)

Chat is your partner for anything made of words: drafting, shortening, deciding, explaining, sounding like you. What it does not do on its own is act on your computer (open apps, click around, move your files) or build and run software across many files. Those are jobs for other tools you will meet later: Cowork for guided computer tasks, and Claude Code for structured file and build work. Both are paid tools (Pro or Max), and Lesson 7 helps you choose the right tool for a job. See content/capabilities.yaml (cowork, claude-code).
That is everyday thinking and writing. You can now start any draft, shrink anything long, think a decision through, and keep it all sounding like you, on any device, on the free plan. This is the tool you will open the most.