Why I Bought a $9.95 Phone…

I bought a $10 phone a few months. Why? I was writing #TwittterBook, an ebook about Twitter (you can get it at Amazon). It turns out Black big-city teens are among the biggest users of Twitter. They’ve led millions of other teens onto Twitter. And what about...

How to Make a Whiteboard

In three hours, you can make a whiteboard for your office or the kids’ playroom. Total cost under $24. Very easy to do. I had a 4×6 whiteboard. But there was wasted space around it and I wanted more space to write on. I read about this whiteboard paint and...

Solar Charger for USB Smartphones

Because we live in California, we were talking about earthquakes and the question came up on how to recharge a smart phone. These phones use USB cables. Rechargers usually don’t have those. Several years ago, I bought a SolarVerter F6220 solar cell panel. It can...

NFC Tags: What They Are; How to Make One

I’ve been playing with NFC (Near Field Communication) tags. These are popular in Japan and they’re spreading in the USA. There are many clever ideas for NFC, which will lead to new kinds of companies. ¬†You can easily create your own NFC tags. I have an...