I need to a ultrabook , a really portable laptop. At WWDC, Apple released the new Generation of MacBook Air. The specification is upgraded the new Intel CPU, haswell. That sounds better than the option I was considering Lenovo Carbon X1 which is using the Ivy Bridge. Moreover MacBook Air sounds to have better battery life. Do I should buy MacBook Air, right a way. or Wait. There will be more Haswell Ultrabook in the market very soon.

Freemium model is widely using in Mobile App. You can play the games without any charges, but if you want to get some extra functions, you need to pay. For example, you can pay some money to get some extra weapons for game characters. There are many successful stories.
We(AdvGen) are trying out this model. The users can use our free version with the basic function. If they want to have some more advance functions, they need to buy the premium version. In the way, the users can try the app first, they can see whether the app is suitable for them and the free version can worth the trust from the users at the mean time.

I read the blog of Google Compute Engine. The preview of this product is available for everyone. That is good to have an option of Amazon EC2. We can create virtual instance in the Google. But it doesn't like Amazon EC2, you can choose your OS template. Anyway, that is good to have an choice rather than Amazon.
Reference:
Google Cloudplatfrom Blog

SSD is so good. I planned to upgrade all of our dev pcs to use SSD. It can bring the huge performance to our pcs, but the cost is so high. We have a lot of data in each PC. At least, we need 256GB, my PC even need 512GB. That costs us all of money. SSD is still not affordable for the small business like us.

I am using Viber in Android for around a year. That is very cool, it binded with my mobile number. Yesterday, I found there got a major update and it has Desktop version. That is great! I got Desktop version installed. It can use the same account with my android. Therefore, I can send message to other people with my desktop. That is much easier to type via keyboard.I love it!