(FORTUNE Small Business) – There will be less knitting and daily golf games for baby-boomers in their twilight years. The AARP expects the number of silver-haired entrepreneurs to rise in the coming years. How will this change the way we work? First, boomers will accelerate the growing acceptance of working from home, adding to the 25 million Americans already in bunny slippers. Second, a corporate brain drain could mean that small businesses will be able to tap into the expertise of some seasoned free agents at less-than-corporate prices. —M.O.