Grammarly Capabilities:

Correctness:
+- Grammar checking
+- Spelling correction
+- Punctuation fixes
+- 400+ grammar rules

Clarity:
+- Sentence restructuring
+- Wordiness reduction
+- Passive voice detection
+- Readability scoring

Engagement:
+- Vocabulary suggestions
+- Sentence variety
+- Power words
+- Reader interest

Delivery:
+- Tone detection
+- Confidence adjustments
+- Formality levels
+- Empathy suggestions

Generative AI:
+- Draft from prompts
+- Rewrite suggestions
+- Brainstorming
+- Email composition

Grammarly Architecture:

Text Input: "Their going to the store tommorrow"
    |
    v
+---------------------------------+
|  NLP Pipeline                  |
|  +- Tokenization               |
|  +- POS tagging                |
|  +- Dependency parsing         |
|  +- Named entity recognition   |
+---------------+-----------------+
                |
                v
+---------------------------------+
|  Error Detection               |
|  +- Rule-based (400+ rules)   |
|  +- Statistical models        |
|  +- Neural networks           |
|                                 |
|  Found: "Their" -> "They're"   |
|  Found: "tommorrow" -> "tomorrow"|
+---------------+-----------------+
                |
                v
+---------------------------------+
|  Style Analysis               |
|  +- Readability score         |
|  +- Tone detection            |
|  +- Clarity suggestions       |
|  +- Engagement tips           |
+---------------+-----------------+
                |
                v
+---------------------------------+
|  Suggestions                  |
|  +- Corrections               |
|  +- Improvements              |
|  +- Explanations              |
+---------------------------------+

As you type:

Original: "Me and him went to the store yesterday, we bought alot of stuff."

Suggestions:
+- "Me and him" -> "He and I" (grammar)
+- "alot" -> "a lot" (spelling)
+- Comma splice detected (clarity)
+- Suggested rewrite: "He and I went to the store yesterday and bought a lot of stuff."

Tone Analysis:

Detected tone: "Confident but friendly"

The message sounds:
+- Confident: 85%
+- Friendly: 70%
+- Formal: 40%
+- Urgent: 20%

Suggestions:
+- "I think" -> "I believe" (more confident)
+- "maybe" -> "consider" (more assertive)
+- "sorry" -> "thank you" (more positive)

GrammarlyGO Features:

"Write a professional email declining a meeting invitation"

-> Generates complete email:
"Dear [Name],

Thank you for the invitation to attend the meeting on [Date].
Unfortunately, I have a prior commitment that prevents me from
attending. I would appreciate it if you could share the meeting
minutes afterward.

Best regards,
[Your Name]"