diff --git a/.gitignore b/.gitignore
index cd5a533..9ed93e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 #Modules
 bower_components
-node_modules
\ No newline at end of file
+node_modules
+
+.DS_Store
\ No newline at end of file
diff --git a/rawstrings.js b/rawstrings.js
index 67ef072..f066378 100644
--- a/rawstrings.js
+++ b/rawstrings.js
@@ -9,28 +9,31 @@ var printLetter1 = function () {
   return 'print the fourth letter in this string';
 };
 
+// Find and use a method that creates one string out of the two strings in the function body
+// Output: 'Javascript is so much fun I wish I could code  in javascript all day, every day!'
 var bridgeString1 = function() {
-  'Javascript is so much fun'
+  'Javascript is so much fun.'
   'I wish I could code  in javascript all day, every day!'
 
   return
 };
 
+// this function seems out of place - move to another deck?
 var characterEscapes = function() {
-  'I can't think of it right now. I don't have any idea.'
+//   'I can't think of it right now. I don't have any idea.'
 };
 
 /////////////////// STRING METHODS /////////////////////
 
 /*
-SEARCH THE INTERNET FOR 'JAVASCRIPT STRING METHODS'. 
+SEARCH THE INTERNET FOR 'JAVASCRIPT STRING METHODS'.
 FIND AND USE METHODS TO SOLVE THE FOLLOWING PROBLEMS
 */
 
 
 // Create a function that returns the 10th letter of the string:
   // 'print the tenth letter in this string'
-    // Output: 
+    // Output:
 var printLetter2 = function() {
   return 'print the twelfth letter in this string';
 };
@@ -43,8 +46,8 @@ var bridgeString2 = function() {
   return
 };
 
+// Remove the word 'Python' and replace it with 'JavaScript'
 var replaceString = function() {
-  // Remove the word 'Python' and replace it with 'JavaScript'
   'I wish I could code in Python all day, every day!'
 };
 
diff --git a/slideChanges.js b/slideChanges.js
new file mode 100644
index 0000000..8a842e9
--- /dev/null
+++ b/slideChanges.js
@@ -0,0 +1,32 @@
+// JS Data Types Review
+// slide 7
+
+	// Primitive Data Types
+	'hello world' // string
+	'hello world'[6] // 'w'
+
+	5 // number
+	5 * 5 // 25
+
+	true // boolean
+	!true // false
+
+	null // null
+	!null // true
+	!! null // false
+
+	undefined // undefined
+	!undefined // true
+	!! undefined // false
+
+// slide 7.5
+
+	// Introduce variables
+	// variables point to data
+	var dogName = 'Spot';
+	dogName; // 'Spot'
+	var myDog = 'Freckles';
+	myDog; // 'Freckles'
+	myDog = dogName;
+	myDog; // 'Spot'
+
diff --git a/spec/rawstrings.spec.js b/spec/rawstrings.spec.js
index f392133..c9f0391 100644
--- a/spec/rawstrings.spec.js
+++ b/spec/rawstrings.spec.js
@@ -1,20 +1,60 @@
 /* global raw strings, describe, it, expect, should */
 
-describe('printLetter()', function () {
+describe('printLetter1()', function () {
   'use strict';
 
   it('exists', function () {
-    expect(printLetter).to.be.a('function');
+    expect(printLetter1).to.be.a('function');
 
   });
 
   it('does something', function () {
-    expect(typeof printLetter()).to.equal('string');
+    expect(typeof printLetter1()).to.equal('string');
   });
 
   it('does something else', function () {
-    expect(printLetter()).to.equal('n');
+    expect(printLetter1()).to.equal('n');
   });
 
   // Add more assertions here
 });
+
+describe('bridgeString1()', function () {
+  'use strict';
+
+  it('exists', function() {
+    expect(bridgeString1).to.be.a('function');
+
+  });
+
+  it('does something', function () {
+    expect(typeof bridgeString1()).to.equal('string');
+
+  });
+
+  it('does something else', function() {
+    expect(bridgeString1()).to.equal('Javascript is so much fun. I wish I could code  in javascript all day, every day!')
+
+  });
+
+});
+
+describe('characterEscapes()', function() {
+  'use strict';
+
+  it('exists', function () {
+    expect(characterEscapes).to.be.a('function');
+
+  });
+
+  it('does something', function () {
+    expect(typeof characterEscapes()).to.equal('string');
+
+  });
+
+  it('does something else', function () {
+    expect(characterEscapes()).to.equal('I can\'t think of it right now. I don\'t have any idea.');
+
+  });
+
+})
\ No newline at end of file