diff --git a/UULocation.h b/UULocation.h
index da9b58c..de1f4c6 100644
--- a/UULocation.h
+++ b/UULocation.h
@@ -43,10 +43,13 @@
 	//Global settings interface.
 	+ (BOOL) isAuthorizedToTrack;
 	+ (BOOL) isTrackingDenied;
+	+ (BOOL) canRequestTracking; // Returns NO if status is anything but kCLAuthorizationStatusNotDetermined, which will result in nothing happening when tracking is requested
 
 	+ (void) requestStartTracking:(void(^)(BOOL authorized))callback;
+	+ (void) requestStartWhenInUseTracking:(void (^)(BOOL))callback;
+	+ (void) startTracking; // You should call this in your requestStartTracking handler (or when isAuthorizedToTrack) to turn on full location monitoring (heavy battery use)
 	+ (void) requestStopTracking;
-	+ (void) startTrackingSignificantLocationChanges;
+	+ (void) startTrackingSignificantLocationChanges; // You should call this in your requestStartTracking handler (or when isAuthorizedToTrack) to turn on sporadic location monitoring (light battery use)
 	+ (void) stopTrackingSignficantLocationChanges;
 
 	+ (CLLocationDistance) distanceThreshold;
diff --git a/UULocation.m b/UULocation.m
index 8749fc9..a1d6f86 100644
--- a/UULocation.m
+++ b/UULocation.m
@@ -110,22 +110,40 @@ + (BOOL) isTrackingDenied
 	return [CLLocationManager authorizationStatus] == kCLAuthorizationStatusDenied;
 }
 
++ (BOOL) canRequestTracking
+{
+	return [CLLocationManager authorizationStatus] == kCLAuthorizationStatusNotDetermined;
+}
+
 + (BOOL) isAuthorizedToTrack
 {
-	return ([CLLocationManager locationServicesEnabled] && ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorizedAlways));
+	return ([CLLocationManager locationServicesEnabled] && ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorizedAlways || [CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorizedWhenInUse));
 }
 
 + (void) requestStartTracking:(void(^)(BOOL authorized))callback
+{
+	[self requestTrackingWithSelector:@selector(requestAlwaysAuthorization) callback:callback];
+}
+
++ (void)requestStartWhenInUseTracking:(void (^)(BOOL))callback
+{
+	[self requestTrackingWithSelector:@selector(requestWhenInUseAuthorization) callback:callback];
+}
+
++ (void)requestTrackingWithSelector:(SEL)selector callback:(void (^)(BOOL))callback
 {
 	[UUSystemLocation sharedLocation].authorizationCallback = callback;
 	
 	CLLocationManager* locationManager = [UUSystemLocation sharedLocation].clLocationManager;
-	if ([locationManager respondsToSelector:@selector(requestAlwaysAuthorization)])
+	if ([locationManager respondsToSelector:selector])
 	{
 		NSString* usageDescription = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"NSLocationAlwaysUsageDescription"];
 		NSAssert(usageDescription != nil, @"You must set a description in your plist for NSLocationAlwaysUsageDescription");
 		
-		[locationManager performSelector:@selector(requestAlwaysAuthorization)];
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+		[locationManager performSelector:selector];
+#pragma clang diagnostic pop
 	}
 	else
 	{
@@ -133,6 +151,11 @@ + (void) requestStartTracking:(void(^)(BOOL authorized))callback
 	}
 }
 
++ (void) startTracking
+{
+	[[UUSystemLocation sharedLocation] startTracking];
+}
+
 + (void) requestStopTracking
 {
 	[[UUSystemLocation sharedLocation] stopTracking];
@@ -244,11 +267,14 @@ - (id) init
 
 - (void) startTracking
 {
-	[self.clLocationManager startUpdatingLocation];
-	
-	if (self.clLocationManager.location)
+	if ([UULocationMonitoringConfiguration isAuthorizedToTrack])
 	{
-		[self checkForNewLocation:self.clLocationManager.location];
+		[self.clLocationManager startUpdatingLocation];
+		
+		if (self.clLocationManager.location)
+		{
+			[self checkForNewLocation:self.clLocationManager.location];
+		}
 	}
 }
 
@@ -259,7 +285,10 @@ - (void) stopTracking
 
 - (void) startTrackingSignificantLocationChanges
 {
-	[self.clLocationManager startMonitoringSignificantLocationChanges];
+	if ([UULocationMonitoringConfiguration isAuthorizedToTrack])
+	{
+		[self.clLocationManager startMonitoringSignificantLocationChanges];
+	}
 }
 
 - (void) stopTrackingSignificantLocationChanges
@@ -318,10 +347,9 @@ - (void) checkForNewLocation:(CLLocation*)reportedLocation
 
 - (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status
 {
-	if (self.authorizationCallback && (status != kCLAuthorizationStatusNotDetermined))
-	{
-		[self startTracking];
-		self.authorizationCallback(status == kCLAuthorizationStatusAuthorizedAlways);
+	if (self.authorizationCallback != nil) {
+		self.authorizationCallback(status == kCLAuthorizationStatusAuthorizedAlways || status == kCLAuthorizationStatusAuthorizedWhenInUse);
+		self.authorizationCallback = nil;
 	}
 }
 
@@ -330,7 +358,7 @@ - (BOOL) shouldUseLocationUpdate:(CLLocation*)reportedLocation
     if (!self.lastReportedLocation ||
 		//!CLLocationCoordinate2DIsValid(self.clLocation.coordinate) ||
         [self.lastReportedLocation.clLocation distanceFromLocation:reportedLocation] > self.distanceThreshold ||
-        [self.lastReportedLocation.clLocation.timestamp timeIntervalSinceDate:reportedLocation.timestamp] > self.timeThreshold ||
+        [self.lastReportedLocation.clLocation.timestamp timeIntervalSinceDate:reportedLocation.timestamp] * -1.0 > self.timeThreshold ||
         reportedLocation.horizontalAccuracy < self.lastReportedLocation.clLocation.horizontalAccuracy)
 	{
 		return YES;
@@ -339,6 +367,12 @@ - (BOOL) shouldUseLocationUpdate:(CLLocation*)reportedLocation
 	return NO;
 }
 
+- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
+{
+	[self checkForNewLocation:[locations lastObject]];
+}
+
+// For iOS 6
 - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)reportedLocation fromLocation:(CLLocation *)oldLocation;
 {
 	[self checkForNewLocation:reportedLocation];
diff --git a/UUProgressView.m b/UUProgressView.m
index 0bace96..0055295 100644
--- a/UUProgressView.m
+++ b/UUProgressView.m
@@ -29,6 +29,7 @@
 
 @interface UUProgressView ()
 
+@property (nonatomic, retain) UIView* scrimView;
 @property (nonatomic, retain) UIView* backgroundView;
 @property (nonatomic, retain) UILabel* label;
 @property (nonatomic, retain) UIActivityIndicatorView* spinner;
@@ -59,7 +60,7 @@ + (UUProgressView*) globalProgressView
 	if (theProgressView == nil)
     {
         theProgressView = [[UUProgressView alloc] initWithMessage:@"Loading..."];
-        
+		
         UIView* parent = [[UIApplication sharedApplication] keyWindow];
         theProgressView.center = parent.center;
         [parent addSubview:theProgressView];
@@ -78,6 +79,7 @@ - (id) initWithMessage:(NSString*)message
     
     if (self != nil)
     {
+		[self createScrimView];
 		[self createBackgroundView];
 		[self createSpinnerView];
         [self createLabelView];
@@ -103,6 +105,14 @@ - (void) dealloc
 	#endif
 }
 
+- (void) createScrimView
+{
+	UIView* parent = [[UIApplication sharedApplication] keyWindow];
+	self.scrimView = UU_AUTORELEASE([[UIView alloc] initWithFrame:parent.frame]);
+	self.backgroundView.backgroundColor = [UIColor clearColor];
+	[parent addSubview:self.scrimView];
+}
+
 - (void) createBackgroundView
 {
 	self.backgroundView = UU_AUTORELEASE([[UIView alloc] initWithFrame:self.frame]);
@@ -147,12 +157,26 @@ - (void) updateMessage:(NSString*)message
 
 - (void) show:(BOOL)animated
 {
-    [self showProgressViewWithBounceAnimation];
+	if (animated) {
+		[self showProgressViewWithBounceAnimation];
+	}
+	else {
+		[self.layer removeAllAnimations];
+		self.transform = CGAffineTransformIdentity;
+		self.hidden = NO;
+		self.scrimView.hidden = NO;
+	}
 }
 
 - (void) hide:(BOOL)animated
 {
-	[self hideProgressViewWithBounceAnimation];
+	if (animated) {
+		[self hideProgressViewWithBounceAnimation];
+	}
+	else {
+		self.hidden = YES;
+		self.scrimView.hidden = YES;
+	}
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -163,6 +187,7 @@ - (void) showProgressViewWithBounceAnimation
 {
     self.transform = CGAffineTransformMakeScale(0.001, 0.001);
     self.hidden = NO;
+	self.scrimView.hidden = NO;
 	
 	[UIView animateWithDuration:0.2f delay:0.0 options:UIViewAnimationOptionCurveEaseIn animations:^
 	{
@@ -195,6 +220,7 @@ - (void) hideProgressViewWithBounceAnimation
 	completion:^(BOOL finished)
 	{
 		self.hidden = YES;
+		self.scrimView.hidden = YES;
 	}];
 }