Corporate anniversary rings, promotions, signs in retail stores, donations, scholarships, temporary price reductions or discounts, reflections on past accomplishments, special ad campaigns, new logos, and so on. Planning an anniversary can take years. In some cases, special marketing consultants and event planners have been hired to coordinate the effort. Large corporations typically work closely with their corporate advertising agency as well as their marketing and sales departments to plan sometimes elaborate campaigns, often with a special theme to mark the occasion. For example, Starbucks marked their 40th anniversary with a redesigned logo and media campaign. Guinness Brewery celebrated its 250th anniversary with
History of the Polytechnic University of the Philippines the upcoming centenary of the school and the improvements of the facilities of the university and its other campuses. In 2004, the university celebrated its centennial anniversary with the theme ""PUP: Kabalikat ng Pamahalaan sa Pag-angat ng Antas ng Kabuhayan ng Mamamayan"". As part of the celebration and to highlight the signing of the Declaration of Peace to be put before the United Nations, the university broke the record for the world's largest human rainbow consisting of 30,365 students, faculty, staff and alumni. In 2005, Dr. Dante G. Guevarra became the University President. His administration lasted 6 years, from 2005-2011.