Hewlett-Packard Company, the world"s largest computer and printer maker, has agreed to buy Tabblo Incorporated, a privately held developer of Web-based software. Tabblo"s technology helps consumers arrange and print text, graphics and photos from the Internet using AJAX technology. Vyomesh Joshi, who runs HP"s imaging and printing group, said that Palo Alto, California-based HP aims to make printing content from the Web as easy as possible. HP, whose printing business is the world"s largest, said it expects the purchase of Cambridge, Massachusetts-based Tabblo to be completed within the next few weeks (the terms are have not been disclosed). HP Chief Executive Mark Hurd has told investors and analysts not to expect large multibillion-dollar acquisitions – instead, he said the company plans to make smaller, targeted acquisitions to fill in its businesses.