You did this on the Nexus S phone. Which is why I didn't buy one of those, and went for the Samsung Galaxy S II instead.
You did this on the Galaxy Nexus phone. Which is why I won't buy one of those.
And now you've done it on the Nexus 7 tablet. I don't think I'll be buying one of those either.
Please don't skimp on storage, even if some other manufacturers do. I will not buy something that tops out at a mere 32 GB - I've got that much filled on my Galaxy S II phone's external card.
Yes, I know, I know, Apple don't do it. But you shouldn't copy their bad habits. This is one of the reasons they never get my money.