PersonalBrain 6 beta released

Posted by Harlan Hugh
May 13, 2010 at 01:27 AM

Hello All,

PersonalBrain 6 does indeed offer true synchronization, including the ability to add and modify information from two different computers at the same time. Links between information, file attachments, URLs, notes, images, etcetera are all synced automatically and are accessible both online and offline.

Brains synchronize though WebBrain.com exclusively because the storage mechanism is a database of complex interconnected nodes. [The rest of this is a technical explanation of why has been done - skip it if you’re not interested.] A simple file-based sync does not work properly for many reasons. For instance, many large files are modified in small but interdependent ways when the database is changed. Thus, a file-based sync is not only very inefficient, but also prone to corrupting the database. (If for example, the same database file is modified in two different places at once, a file-based sync will have no choice but to ignore one of those changes - this will likely make the entire database table corrupt!) Additionally, there are factors beyond just the data that need to be kept in sync, such as index information and so on. This is why DropBox and other file-based sync services will work, but cannot be relied on since they tend to lead to corruption the minute changes are made to the data from more than one place at a time. (For anyone interested in this topic, do a little research into syncing independently operating databases that cannot communicate with one another on a continual basis - you will find that this is exceedingly difficult to do…)

WebBrain-based sync is much more sophisticated than a file-based sync. It relies on PersonalBrain specific metadata about what changed, how it was changed, when, etcetera.

Additionally, WebBrain.com provides access to your Brain via most Web browsers, including iPhone and iPads…

Yes, there will be a monthly service fee for syncing Brains with file attachments. For now, we are planning to allow syncing of Brains without file attachments at no charge.

clacha, have you submitted a feature suggestion to our feedback site? This helps guide for our development and provides an organized way for users to suggest things as well as see what others think is important. http://thebrain.uservoice.com

Regards,
-Harlan (from TheBrain Technologies)