diff --git a/Evergreen.xcodeproj/project.pbxproj b/Evergreen.xcodeproj/project.pbxproj
index fc50357b3..d30bc77a2 100644
--- a/Evergreen.xcodeproj/project.pbxproj
+++ b/Evergreen.xcodeproj/project.pbxproj
@@ -8,6 +8,8 @@
 
 /* Begin PBXBuildFile section */
 		842E45CE1ED8C308000A8B52 /* AppConstants.swift in Sources */ = {isa = PBXBuildFile; fileRef = 842E45CD1ED8C308000A8B52 /* AppConstants.swift */; };
+		842E45DD1ED8C54B000A8B52 /* Browser.swift in Sources */ = {isa = PBXBuildFile; fileRef = 842E45DC1ED8C54B000A8B52 /* Browser.swift */; };
+		842E45DF1ED8C582000A8B52 /* Defaults.swift in Sources */ = {isa = PBXBuildFile; fileRef = 842E45DE1ED8C582000A8B52 /* Defaults.swift */; };
 		8471A2C41ED4CEBF008F099E /* DataModel.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8471A2B71ED4CEAD008F099E /* DataModel.framework */; };
 		8471A2C51ED4CEBF008F099E /* DataModel.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 8471A2B71ED4CEAD008F099E /* DataModel.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		8471A2F51ED4D062008F099E /* LocalAccount.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8471A2F21ED4D04D008F099E /* LocalAccount.framework */; };
@@ -301,6 +303,8 @@
 
 /* Begin PBXFileReference section */
 		842E45CD1ED8C308000A8B52 /* AppConstants.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = AppConstants.swift; path = Evergreen/AppConstants.swift; sourceTree = "<group>"; };
+		842E45DC1ED8C54B000A8B52 /* Browser.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = Browser.swift; path = Evergreen/Browser.swift; sourceTree = "<group>"; };
+		842E45DE1ED8C582000A8B52 /* Defaults.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = Defaults.swift; path = Evergreen/Preferences/Defaults.swift; sourceTree = "<group>"; };
 		8471A2B21ED4CEAD008F099E /* DataModel.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = DataModel.xcodeproj; path = Frameworks/DataModel/DataModel.xcodeproj; sourceTree = "<group>"; };
 		8471A2EC1ED4D04D008F099E /* LocalAccount.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = LocalAccount.xcodeproj; path = Frameworks/LocalAccount/LocalAccount.xcodeproj; sourceTree = "<group>"; };
 		849C64601ED37A5D003D8FC0 /* Evergreen.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Evergreen.app; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -350,6 +354,14 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		842E45E01ED8C587000A8B52 /* Preferences */ = {
+			isa = PBXGroup;
+			children = (
+				842E45DE1ED8C582000A8B52 /* Defaults.swift */,
+			);
+			name = Preferences;
+			sourceTree = "<group>";
+		};
 		8471A2B31ED4CEAD008F099E /* Products */ = {
 			isa = PBXGroup;
 			children = (
@@ -375,6 +387,8 @@
 				842E45CD1ED8C308000A8B52 /* AppConstants.swift */,
 				849C64631ED37A5D003D8FC0 /* AppDelegate.swift */,
 				849C64651ED37A5D003D8FC0 /* ViewController.swift */,
+				842E45DC1ED8C54B000A8B52 /* Browser.swift */,
+				842E45E01ED8C587000A8B52 /* Preferences */,
 				849C646C1ED37A5D003D8FC0 /* Info.plist */,
 				849C64741ED37A5D003D8FC0 /* EvergreenTests */,
 				849C64611ED37A5D003D8FC0 /* Products */,
@@ -806,7 +820,9 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				842E45DD1ED8C54B000A8B52 /* Browser.swift in Sources */,
 				849C64661ED37A5D003D8FC0 /* ViewController.swift in Sources */,
+				842E45DF1ED8C582000A8B52 /* Defaults.swift in Sources */,
 				842E45CE1ED8C308000A8B52 /* AppConstants.swift in Sources */,
 				849C64641ED37A5D003D8FC0 /* AppDelegate.swift in Sources */,
 			);
diff --git a/Evergreen/AppConstants.swift b/Evergreen/AppConstants.swift
index 4009e1daa..00bb959b0 100644
--- a/Evergreen/AppConstants.swift
+++ b/Evergreen/AppConstants.swift
@@ -1,6 +1,6 @@
 //
 //  AppConstants.swift
-//  Rainier
+//  Evergreen
 //
 //  Created by Brent Simmons on 8/30/15.
 //  Copyright © 2015 Ranchero Software, LLC. All rights reserved.
diff --git a/Evergreen/Browser.swift b/Evergreen/Browser.swift
new file mode 100644
index 000000000..2a6593205
--- /dev/null
+++ b/Evergreen/Browser.swift
@@ -0,0 +1,27 @@
+//
+//  Browser.swift
+//  Evergren
+//
+//  Created by Brent Simmons on 2/23/16.
+//  Copyright © 2016 Ranchero Software, LLC. All rights reserved.
+//
+
+import Foundation
+import CoreServices
+import RSWeb
+
+
+func openInBrowser(_ urlString: String) {
+	
+	// Opens according to prefs.
+	let openInBackground = UserDefaults.standard.bool(forKey: OpenInBrowserInBackgroundKey)
+	openInBrowser(urlString, inBackground: openInBackground)
+}
+
+func openInBrowser(_ urlString: String, inBackground: Bool) {
+	
+	if let url = URL(string: urlString) {
+		let _ = MacWebBrowser.openURL(url, inBackground: inBackground)
+	}
+}
+
diff --git a/Evergreen/Preferences/Defaults.swift b/Evergreen/Preferences/Defaults.swift
new file mode 100644
index 000000000..471bae2b7
--- /dev/null
+++ b/Evergreen/Preferences/Defaults.swift
@@ -0,0 +1,54 @@
+//
+//  Defaults.swift
+//  Evergreen
+//
+//  Created by Brent Simmons on 2/20/16.
+//  Copyright © 2016 Ranchero Software, LLC. All rights reserved.
+//
+
+import Foundation
+
+let SidebarFontSizeKey = "sidebarFontSize"
+let TimelineFontSizeKey = "timelineFontSize"
+let ArticleFontSizeKey = "articleFontSize"
+
+let SidebarFontSizeKVOKey = "values." + SidebarFontSizeKey
+let TimelineFontSizeKVOKey = "values." + TimelineFontSizeKey
+let ArticleFontSizeKVOKey = "values." + ArticleFontSizeKey
+
+let OpenInBrowserInBackgroundKey = "openInBrowserInBackground"
+
+enum FontSize: Int {
+	case small = 0
+	case medium = 1
+	case large = 2
+	case veryLarge = 3
+}
+
+private let smallestFontSizeRawValue = FontSize.small.rawValue
+private let largestFontSizeRawValue = FontSize.veryLarge.rawValue
+
+func registerDefaults() {
+	
+	let defaults = [SidebarFontSizeKey: FontSize.medium.rawValue, TimelineFontSizeKey: FontSize.medium.rawValue, ArticleFontSizeKey: FontSize.medium.rawValue]
+	
+	UserDefaults.standard.register(defaults: defaults)
+}
+
+func timelineFontSize() -> FontSize {
+
+	return fontSizeForKey(TimelineFontSizeKey)
+}
+
+private func fontSizeForKey(_ key: String) -> FontSize {
+
+	var rawFontSize = UserDefaults.standard.integer(forKey: key)
+	if rawFontSize < smallestFontSizeRawValue {
+		rawFontSize = smallestFontSizeRawValue
+	}
+	if rawFontSize > largestFontSizeRawValue {
+		rawFontSize = largestFontSizeRawValue
+	}
+	return FontSize(rawValue: rawFontSize)!
+}
+