A couple of months after joining forces with Pinterest, Instapaper has announced that the premium version of its web bookmarking and syncing service is now completely free of charge. Ditching the subscription fee does not mean that users will be inundated with ads, however. The company says that it is now far better financed, and can therefore afford to deliver an ad-free experience to everyone. Anyone who has a free Instapaper account at the moment will find that they have been automatically upgraded, and can immediately take advantage of a number of extra features. This includes the ability to save… [Continue Reading]