Do you have an ad insertion or management team? And if so do they work on weekends? If not, they probably should. The web isn’t a Monday-Friday deal like the business world, just like the news isn’t just for 9am-5pm or 3 telecasts a day. Even if the economy wasn’t in a recession, it makes sense to make sure you are able to make as many ad spots sold as possible. So why cut the insertion time off on Friday at 5pm? If a sale comes in late Friday and it could be sold for the weekend, why not have staff to do it? And with Yahoo APT‘s BT on Yahoo’s sites everyone is competing with each other to get the impressions sold against each other. So if you could snatch those impressions on a Sunday before the others get around to it on Monday, it might make a big difference.