Collectively, they decode a timeline running horizontally through the book and, with the help of bookmarks placed by Mr. Pollack, see references to the Crusades written just a few centuries after their conclusion.
This makes it ideal for backpackers and other types of traveler who might want to bookmark places of specialist or niche interest, such as "airplane spotting locations at Frankfurt airport" or "scuba diving spots", says Tagcrumbs co-founder Cornelius Rabsch.
Users can bookmark places of interest to save key locations to the current map, access Wikipedia-based descriptions for sites of interest, and with regular, free map updates offers an amazing degree of detail and accuracy.
Although there are a lot of services which do the same – you can create lists on Foursquare, for example, or bookmark places on Yelp or Google+ Local, the difference with Posse is that it has taken this list-making feature and turned it into a dedicated service.
Never call a location where a bookmark is placed by it's manual book's page number.
If you were to go to a page number where the bookmark has been placed, if the bookmark is placed later on the page, the bookmark won't be shown until you go to the later location.
Also, making bookmarks and placing them inside books is a good way for your readers to remember which page number they were on.
The idea for Post-it Notes came about when Arthur Fry, an engineer at 3M, was daydreaming in church, thinking how annoying it was that the bookmarks he'd placed in his hymnal so frequently fell out.
When day faded in the attic, Ruby went on reading by torchlight, and when at last she had to go to bed, she placed her silken bookmark with trembling fingers.
By default, it will be placed in the Bookmark Bar, but you can place it in a different folder.
