With expansion on the brain, neighborhood-based social network Nextdoor is revamping its site. “Nextdoor needs to expand faster, before another startup moves in on its turf,” AllThingsD
reports. Now, “Instead of restricting users to their previously cordoned off districts, they’re able to post information to nearby neighborhoods, those bordering the area a user resides
in.” That startup has raised another $21 million to help with the effort.