It is WhistlePhone that makes it possible to make unlimited free calls to USA from anywhere.

It is available for computer, MAC OS X, iPhone, iPod Touch and iPad.

It is free because when you make a phone call in USA from anywhere the call will have an audio ad in the beginning of the call. If you use whistlephone on iPad, iPhone or iPod touch you will see a small display ad. These ads are notifier that you can call to US for free from anywhere.

This service is free with audio ad, and you call free in US (US Phone Numbers) only if you call somewhere other you will have to get WhistlePhone balance.

You can make free call using Internet connection with or without Wi-Fi and 3G.

It is useful if you have customers, friends and relatives in United States.

Location based sites or services can make your online experience much better. This is the reason Facebook started Places and Twitter also added Location feature, but I will tell you about the location based Pioneer.

In this post I have selected 11 location based mobile phone applications and microblogging sites, texting is fun but if you fry it with location it will become more fun.

Location Based Mobile applications

(1) Foursquare
Foursquare is the main website for Location based microblogging. If you have listened a term check-in. As Twitter is for microblogging and Facebook is for Social networking; foursquare is for check-in. I have used this service it is powerful for locating your place. Foursquare can be on your mobile phones too or simply it is an mobile application.

(2) Brightkite
Brightkite is mainly microblogging service with location feature.
You can do unlimited group texting free. I have reviewed this service in my past posts.

(3) Gowalla
You can find interesting places and share them with friends. The application is for smart phones but if you don’t have any such phone you can use web interface. Some of my friends are already on Gowalla.

(4) koprol
This service is owned by Yahoo now.It is a growing directory of places where you can check-in and trade places. Also you can share photos and reviews.

(5) Twitxr
You can share pictures from your mobile and can automatically publish them on major social networking sites.  You can tell your friends about your location and current activity, automatically your location will be added to your pictures and status updates.

(6) Whrrl
Easily check-in the places you go. Add photos and notes.  Unlock societies and unleash your footstream.

(7) Buzzd
Search for places, events and people. The application is available for most of smart mobile phones and platforms.

Location Based Micro blogging Sites

(8) Shizzow
Shizzow helps you to hand with real world friends. It is a location based networking service and does not have mobile apps.

(9) Shortgps
Shortgps is a location based microblogging service. Create a location or add a GPS code, you can sign in with Twitter.

(10) Dailyplaces
Daily places let you search places. Find spots and share them and responses from friends.

(11) Nearbyfeed
Search for people and places. iPhone and Android applications are available for download.

For some marketers, especially B2B companies, the holidays may be a time of year when things slow down, which can be the perfect opportunity to thoroughly cleanse your PPC account and get it to deliver more bang for your buck. On the heels of my blog post on landing page optimization, here are 10 ways to make your PPC campaign more profitable.

Give feedback either by commenting or by replying to my Twitter status.

1. Make changes that matter.


Don’t just look for what is not performing well in your campaign, look for areas that would have a big impact on your ROI if it were working better. See what campaigns and ad groups within each campaign represent the greatest share of your overall paid search budget.

Once you’ve identified the most critical areas of your campaign to optimize, start by taking a look at your Quality Score. Improving it will help you reduce your cost-per-click in relation to the position of your ads. This involves looking at each keyword’s CTR, associated ads and taking some of the following steps:

2. Create better targeted ad groups.


Look through your ad groups to find keywords with low Quality Score or low CTR and see what ads are showing up for them. Consider placing these keywords in another ad group with ads that are more relevant. In the case of broad match keywords, use the “See Search Terms” report to find some common queries you are getting clicks for. If some of the keywords that often get clicks are relevant to you, consider using them as a phrase or exact match in the same or new ad group.

Besides using the “See Search Terms” report to better target relevant keywords, use it also add to list of keywords that you do not want to target.

3. Curate your negative keyword lists.


Add negative keywords to your list so that your ads show for more relevant searches. You can find these in the “See Search Terms” report.

4. Use broad match modifiers.

If you have not done so already, add the new broad match modifier to your ad groups. This type of matching is more flexible than phrase and exact match while doing a better job of targeting than broad match. Bid on this match type higher than you would on broad match, and lower than phrase and exact match.

Your CTR does not only rely on your keywords, so it’s important that your ads get users to click.

5. Test your ads.


Look for ways to make your ads stand-out against your competition and test different ideas. Let ads compete against each other and gather sufficient data before eliminating one or more ads. When you come across a test result in one ad group, consider applying what you learned to other ad groups.

Everything I’ve listed so far is primarily meant to increase your CTR. But what about making sure that each click is the best click you can get?

6. Filter out unwanted clicks.


Provide information in your ad copy that will deter your most common unwanted customers. For example, if your services start at $5,000, consider using that in your ad copy. This may go against our strategy of increasing our CTR, but its benefits may outweigh the loss by increasing the value of each click.

7. Use match types to control bids.

Look at broad match keywords that are consuming a lot of your budget, without delivering the goods in the form of conversions. Consider reducing your bids on some of those broader keywords and increase bids on phrase and exact match keywords that are delivering good results.

8. Show ads at the right time.


After doing some preliminary testing by showing ads throughout the day and days of the week, configure your bidding schedule to get your ads more attention when it counts.

I’ve covered most things leading up to the click. Now let’s look at what to do about what visitors see after they click on your ad.

9. Improve device targeting.

Make sure that if you are targeting mobile devices that you are sending traffic to a mobile-friendly page and that this mobile traffic is in a separate campaign from your desktop computer targeting.

10. Conduct landing page optimization.

Work on continually improving the conversion rate of your landing pages. At the end of the day, no matter how cheaply you can generate traffic to your website by improving Quality Score or how well you can filter out unwanted clicks, if your pages are not focused on turning each visitor into a client, then you will always be spinning your tires in the mud. If you need a few tips to get you started, check out 84 Tips For A Killer Landing Page Design.

Below is a demonstration of the effects of conversion optimization on ROI: