By Olivia Oran (Reuters) – Delivery Agent, an advertising technology company that allows TV viewers to shop for products they see on their favorite shows, has selected banks for an initial public offering, according to two sources familiar with the matter. The San Francisco-based company is working with Deutsche Bank and Credit Suisse AG on an IPO which could come by the middle of next year and raise around $100 million, the sources said. Delivery Agent, Deutsche Bank and Credit Suisse declined to comment. …